(8x+9)(5x-6)=0

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Solution for (8x+9)(5x-6)=0 equation:


Simplifying
(8x + 9)(5x + -6) = 0

Reorder the terms:
(9 + 8x)(5x + -6) = 0

Reorder the terms:
(9 + 8x)(-6 + 5x) = 0

Multiply (9 + 8x) * (-6 + 5x)
(9(-6 + 5x) + 8x * (-6 + 5x)) = 0
((-6 * 9 + 5x * 9) + 8x * (-6 + 5x)) = 0
((-54 + 45x) + 8x * (-6 + 5x)) = 0
(-54 + 45x + (-6 * 8x + 5x * 8x)) = 0
(-54 + 45x + (-48x + 40x2)) = 0

Combine like terms: 45x + -48x = -3x
(-54 + -3x + 40x2) = 0

Solving
-54 + -3x + 40x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -8x)(6 + -5x) = 0

Subproblem 1

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

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 = {-1.125, 1.2}

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