### What is 21x cubed-23x squared-76x-32 divided by 7x plus 4?

(21x3-23x2-76x-32)/(7x+4) = [3x2(7x4) -5x(7x+4)-8(7x+4)]/(7x+4)=3x2-5x-8

### What is 5x squared minus 7x plus 2 equals 0?

If you mean 5x^2 -7x +2 = 0 then it is a quadratic equation with solutions of x = 2/5 or x = 1

### How do you completely factor 21x to the 4th power -14x cubed plus 35x squared plus 7x?

7x(3x3 - 2x2 + 5x + 1)

### What is the simplified form of the quantity 15 x y squared over x squared plus 5x plus 6 all over the quantity 5 x squared y over 2x squared plus 7x plus 3?

((15xy2)/(x2+5x+6))/((5x2y)/(2x2+7x+3)) =(15xy2/5x2y)*(2x2+7x+3)/(x2+5x+6) =(3y/x)*(((2x+1)(x+3))/((x+2)(x+3) =(3y(2x+1))/(x(x+2)) =(6xy+3y)/(x2+2x)

### What is 5x-6 plus 23-7x in simplified form?

5x-6+23-7x 5x-7x+23-6 (rearranged) -2x+17 (simplification).

### What is x in this equation 7x plus 8 equals 5x plus 32?

7x + 8 = 5x + 32 7x = 5x + 24 2x = 24 x = 12 hope this helps

### 7x-3 equals 5x plus 1?

7x -3 = 5x + 1 solve for x add three to both sides 7x = 5x + 4 subtract 5x from both sides 2x = 4 divide both sides by 2 x = 2

### How do you factor 10x2 7x - 12?

If it's + 7x, the answer is (2x + 3)(5x - 4) If it's - 7x, the answer is (2x - 3)(5x + 4)

### How do you solve 7x minus 1 equals 9 plus 5x?

7X-1=9+5X. add 1 to both sides 7X=10+5X. Subtract 5X and get 2X=10 divide by 2 and x=5

### What is 2x equals 7x?

2x=7x subtract 2x from each side to get x=5x and theres your answer x=5x

### What is the answer to 7x 7x squared?

7x^3. That is 7x cubed.... or 7x*7x*7x (where * means multiply). You should get 343x

### What is -5x-(7x plus 2)?

-12x-2 Given: -5x-(7x+2) This is the same as -5x-1(7x+2). Use the distributive property and multiply the -1 through (7x+2). -5x-7x-2 Simplify. -12x-2

### How do you sinplify the expression 6x 7x-8x?

Do you mean 6x+7x-8x if so it is 5x because 13x-8x = 5x

### How do you solve 5X plus y equals -12 7X -3y equals -30 by elimination method?

(1) 5x+y=-12 (2) 7x-3y=-30 From (1) one gets y = -12-5x Put into (2) 7x-3y = 7x -3 (-12-5x) = 7x + 36 +15 x = 22x +36=-30 22x = -30-36 = -66 so x = -3 and y=-12-5x = -12-5x-3= 3 The solution is (-3,3)

### What is the value of the discriminant of the polynomial 4x squared 7x 4?

If you mean: 4x squared+7x+4 then the discriminant is -15

### How do you factor 35x2-36x-32?

35x2-36x-32 = (5x-8)(7x+4) when factored. 35*-32 = -1120 = -56*20 since -56+20 = -36 (35x - 56)(35x + 20) divide by 7 and 5 the coefficients of the two binomials (5x - 8)(7x + 4) or 35x2 - 56x + 20x - 32 = 7x(5x - 8) + 4(5x - 8) = (5x - 8)(7x + 4)

### X3-6x2 plus 7x -2 divided by x -1?

......x^2-5x+2 ------------------------ x-1)x^3-6x^2+7x-2 ......x^3-x^2 -------------------------- ..............-5x^2+7x ..............-5x^2+5x ------------------------- ..........................2x-2 ..........................2x-2 -------------------------- .............................0 The quotient is x^2-5x+2

### What is 30 more than 5 times your number is equal to 7 times your number?

5x+30=7x 7x-5x=-30 2x=-30 x=-15

### What is 14x squared minus 7x to the third power?

14x squared minus 7x to the 3rd power can be factored to 7x2(2-x).