(-8x-3)(-2x+9)=

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Solution for (-8x-3)(-2x+9)= equation:


Simplifying
(-8x + -3)(-2x + 9) = 0

Reorder the terms:
(-3 + -8x)(-2x + 9) = 0

Reorder the terms:
(-3 + -8x)(9 + -2x) = 0

Multiply (-3 + -8x) * (9 + -2x)
(-3(9 + -2x) + -8x * (9 + -2x)) = 0
((9 * -3 + -2x * -3) + -8x * (9 + -2x)) = 0
((-27 + 6x) + -8x * (9 + -2x)) = 0
(-27 + 6x + (9 * -8x + -2x * -8x)) = 0
(-27 + 6x + (-72x + 16x2)) = 0

Combine like terms: 6x + -72x = -66x
(-27 + -66x + 16x2) = 0

Solving
-27 + -66x + 16x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -8x)(9 + -2x) = 0

Subproblem 1

Set the factor '(-3 + -8x)' equal to zero and attempt to solve: Simplifying -3 + -8x = 0 Solving -3 + -8x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -8x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -8x = 0 + 3 -8x = 0 + 3 Combine like terms: 0 + 3 = 3 -8x = 3 Divide each side by '-8'. x = -0.375 Simplifying x = -0.375

Subproblem 2

Set the factor '(9 + -2x)' equal to zero and attempt to solve: Simplifying 9 + -2x = 0 Solving 9 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2x = 0 + -9 -2x = 0 + -9 Combine like terms: 0 + -9 = -9 -2x = -9 Divide each side by '-2'. x = 4.5 Simplifying x = 4.5

Solution

x = {-0.375, 4.5}

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