(8x-9)(7x+6)=0

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Solution for (8x-9)(7x+6)=0 equation:


Simplifying
(8x + -9)(7x + 6) = 0

Reorder the terms:
(-9 + 8x)(7x + 6) = 0

Reorder the terms:
(-9 + 8x)(6 + 7x) = 0

Multiply (-9 + 8x) * (6 + 7x)
(-9(6 + 7x) + 8x * (6 + 7x)) = 0
((6 * -9 + 7x * -9) + 8x * (6 + 7x)) = 0
((-54 + -63x) + 8x * (6 + 7x)) = 0
(-54 + -63x + (6 * 8x + 7x * 8x)) = 0
(-54 + -63x + (48x + 56x2)) = 0

Combine like terms: -63x + 48x = -15x
(-54 + -15x + 56x2) = 0

Solving
-54 + -15x + 56x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-6 + -7x)(9 + -8x) = 0

Subproblem 1

Set the factor '(-6 + -7x)' equal to zero and attempt to solve: Simplifying -6 + -7x = 0 Solving -6 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -7x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -7x = 0 + 6 -7x = 0 + 6 Combine like terms: 0 + 6 = 6 -7x = 6 Divide each side by '-7'. x = -0.8571428571 Simplifying x = -0.8571428571

Subproblem 2

Set the factor '(9 + -8x)' equal to zero and attempt to solve: Simplifying 9 + -8x = 0 Solving 9 + -8x = 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 + -8x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -8x = 0 + -9 -8x = 0 + -9 Combine like terms: 0 + -9 = -9 -8x = -9 Divide each side by '-8'. x = 1.125 Simplifying x = 1.125

Solution

x = {-0.8571428571, 1.125}

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