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What are the x-solutions for the equation below 15x2 - 56 equals 88 plus 6x2?
Wiki User
∙ 12y ago
15x2-56 = 88+6x2
15x2-6x2-56-88 = 0
9x2-144 = 0
Divide all terms by 9:-
x2-16 = 0
(x-4)(x+4) = 0
x = 4 or x = -4
Wiki User
∙ 12y ago
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3x plus 2y multiplied by 5x-3y equals?
(3x+2y)*(5x-3y) =3x*5x + 3x*(-3y) + 2y*5x + 2y*(-3y) [This is sometimes called the FOIL method - You multiply the First members of each bracket, then the Outers, Inners, Lasts] = 15x2 - 9xy + 10xy - 6y2 = 15x2 + xy - 6y2
15x2 plus 13x - 20?
(5x - 4)(3x + 5)
Factor the trinomial 15x2 plus 13x - 20?
(5x - 4)(3x + 5)
Which values of x are soluteto the equation below 15x2-56 equal 88 plus 6x2?
If: 15x2-56 = 88+6x2 Then: 9x2 = 144 And: x2 = 16 So: x = 4
Express the polynomial below as a product of its factors Use the caret to enter exponents 20x3 - 15x2?
20x3-15x2=8,000-225=7,775
Factor the trinomial below 15x2 plus 13x-20?
(5x - 4)(3x + 5)
What is the solution to 15x2-44x plus 32 equals 0?
the answer is x=8/5 and x=4/3 from: Scott Powell
What is the greatest common factor of the terms of the polynomial below 20x4-10x3 plus 15x2?
The GCF is 5x2
16 equals 2x2 plus 1?
2x2 + 1 = 162x2 = 15x2 = 7.5x = sqrt(7.5)x = positive or negative 2.7386 (rounded)
15x2 plus 58x plus 48?
15x2 + 58x + 48= 15x2 + 18x + 40x + 48= 3x(5x + 6) + 8(5x + 6)= (3x + 8)(5x + 6)
What is 15x2?
The answer is 30
How do you factor 15x2 plus 16x-15?
15x2+16x-15 = (3x+5)(5x-3) when factored
15x2 - 56 equals 88 plus 6x2?
15x2 - 56 = 88 + 6x2Subtract 6x2 from each side:9x2 - 56 = 88Add 56 to each side:9x2 = 144Divide each side by 9:x2 = 144/9Take the square root of each side:x = 12/3 = 4x = -4
X2 5x- 24?
15x2
What is 24x6 12x4 15x2 factored?
24x6 + 12x4 + 15x2 factor the greatest common factor, 3x2 = 3x2(8x4 + 4x2 + 5)
