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Your question is a bit confusing but i would say (7-x)3

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Q: How do you write the cube of the difference of a number and 7 in an equation?
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How do you write 4 less than the cube of the difference of a different number and7?

Let X = the different number the difference is x-7 the cube of the difference is (x-7) to the 3rd power (x-7)^3 - 4 = y


How do you write an equation comparing the number of faces and vertices's for a cube?

the euler characteristic is x = V - E + F its = 2 for any convex polyhedron


You are given a number between 4 and 10. If you square the number and find the difference of thedigits, you will end up with the cube root of the given number. What is the number?

4^2 = 16 ; Difference is '5' Not the cube root 5^2 = 25 ; Difference is '3' Not the cube root 6^2 = 36 ; Difference is '3' Not the cube root 7^2 = 49 ; Difference is '5' Not the cube root 8^2 = 64 ; Difference is ''2' '2' is the cube root of '8' 9^2 = 81 ; Difference is 7 . Not the cube root 10^2 = 100 ; Difference is '1' Not the cube root. Hence the number is '8' . The cube root of '8' is '2' ( 2 x 2 x 2 = 8 )


What is the difference between a number that is a cube and a number that is a cube root?

It's the same as the difference between a factor and a multiple. 3 x 3 x 3 = 27 27 is the cube of 3. 3 is the cube root of 27.


What is the difference between a radical equation and a quadratic equation?

radical equations have sq roots, cube roots etc. Quadratic equations have x2.


What is the Equation for a cube?

one of the measurements to the third power


What is the difference between a number cube and a dice?

A die has dots to represent numbers and a number cube has actual numbers. Or, depending on what kind of number cube it is, it might just be the same thing.


How do you on the keyboard write a cube of a number?

To type the cube of a number, hold down the control, shift, and + keys; release and then type a "3".


How do you get rid of a cubed number in an equation?

To get rid of a cubed number in an equation, you need to take its cube root. For example, if you have x raised to the third power is equal to 2 raised to the third power, then one takes the cube root of both sides of the equation to find that x is equal to 2.


What is the difference between a cube and a cube root?

The cube of a number is the value of the number multiplied by itself two times (or 1 multiplied by the number three times). A cube root is the inverse function so that if y is the cube of x the x is the cube root of y.


How do you find the cube root of a negative number?

If the negative number is "-a", then you can say the cube root is "-(cube root of a)" Because if you cube a negative number, you get a negative number. So if you cube root a negative number, you get a negative number. Ex) cube root of -8 = -2 Because (-2)^3 = -8 But if you want to find the complex cube roots, you can make an equation: "x^3=-a" or "x^3+a=0" We know one of the roots is "-(cube root of a)" so you can factor the equation by (x+(cube root of a)) And then you use the quadratic formula for the quadratic equation you're left with. Ex) x^3=-8 or x^3+8=0 Since -2 is a root, factor it by (x+2) x^3+8=(x+2)(x^2-2x+4) Using the quadratic formula, you get "1+i√3" and "1-i√3" Therefore the three cube roots of -8 is <"-2", "1+i√3", "1-i√3">


How to write an algebraic expression for the cube of a number increased by 4 times the same number?

x3 + 4x