(9x-7)(5x+6)=0

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Solution for (9x-7)(5x+6)=0 equation:


Simplifying
(9x + -7)(5x + 6) = 0

Reorder the terms:
(-7 + 9x)(5x + 6) = 0

Reorder the terms:
(-7 + 9x)(6 + 5x) = 0

Multiply (-7 + 9x) * (6 + 5x)
(-7(6 + 5x) + 9x * (6 + 5x)) = 0
((6 * -7 + 5x * -7) + 9x * (6 + 5x)) = 0
((-42 + -35x) + 9x * (6 + 5x)) = 0
(-42 + -35x + (6 * 9x + 5x * 9x)) = 0
(-42 + -35x + (54x + 45x2)) = 0

Combine like terms: -35x + 54x = 19x
(-42 + 19x + 45x2) = 0

Solving
-42 + 19x + 45x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-6 + -5x)(7 + -9x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -9x)' equal to zero and attempt to solve: Simplifying 7 + -9x = 0 Solving 7 + -9x = 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 + -9x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -9x = 0 + -7 -9x = 0 + -7 Combine like terms: 0 + -7 = -7 -9x = -7 Divide each side by '-9'. x = 0.7777777778 Simplifying x = 0.7777777778

Solution

x = {-1.2, 0.7777777778}

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