(5x-6)(8x+7)=0

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Solution for (5x-6)(8x+7)=0 equation:


Simplifying
(5x + -6)(8x + 7) = 0

Reorder the terms:
(-6 + 5x)(8x + 7) = 0

Reorder the terms:
(-6 + 5x)(7 + 8x) = 0

Multiply (-6 + 5x) * (7 + 8x)
(-6(7 + 8x) + 5x * (7 + 8x)) = 0
((7 * -6 + 8x * -6) + 5x * (7 + 8x)) = 0
((-42 + -48x) + 5x * (7 + 8x)) = 0
(-42 + -48x + (7 * 5x + 8x * 5x)) = 0
(-42 + -48x + (35x + 40x2)) = 0

Combine like terms: -48x + 35x = -13x
(-42 + -13x + 40x2) = 0

Solving
-42 + -13x + 40x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -8x)(6 + -5x) = 0

Subproblem 1

Set the factor '(-7 + -8x)' equal to zero and attempt to solve: Simplifying -7 + -8x = 0 Solving -7 + -8x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -8x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -8x = 0 + 7 -8x = 0 + 7 Combine like terms: 0 + 7 = 7 -8x = 7 Divide each side by '-8'. x = -0.875 Simplifying x = -0.875

Subproblem 2

Set the factor '(6 + -5x)' equal to zero and attempt to solve: Simplifying 6 + -5x = 0 Solving 6 + -5x = 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 + -5x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5x = 0 + -6 -5x = 0 + -6 Combine like terms: 0 + -6 = -6 -5x = -6 Divide each side by '-5'. x = 1.2 Simplifying x = 1.2

Solution

x = {-0.875, 1.2}

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