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

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


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

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

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

Multiply (-6 + 5x) * (5 + 7x)
(-6(5 + 7x) + 5x * (5 + 7x)) = 0
((5 * -6 + 7x * -6) + 5x * (5 + 7x)) = 0
((-30 + -42x) + 5x * (5 + 7x)) = 0
(-30 + -42x + (5 * 5x + 7x * 5x)) = 0
(-30 + -42x + (25x + 35x2)) = 0

Combine like terms: -42x + 25x = -17x
(-30 + -17x + 35x2) = 0

Solving
-30 + -17x + 35x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(-5 + -7x)' equal to zero and attempt to solve: Simplifying -5 + -7x = 0 Solving -5 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -7x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -7x = 0 + 5 -7x = 0 + 5 Combine like terms: 0 + 5 = 5 -7x = 5 Divide each side by '-7'. x = -0.7142857143 Simplifying x = -0.7142857143

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 = {-0.7142857143, 1.2}

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