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

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


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

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

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

Multiply (-7 + 5x) * (6 + 7x)
(-7(6 + 7x) + 5x * (6 + 7x)) = 0
((6 * -7 + 7x * -7) + 5x * (6 + 7x)) = 0
((-42 + -49x) + 5x * (6 + 7x)) = 0
(-42 + -49x + (6 * 5x + 7x * 5x)) = 0
(-42 + -49x + (30x + 35x2)) = 0

Combine like terms: -49x + 30x = -19x
(-42 + -19x + 35x2) = 0

Solving
-42 + -19x + 35x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-6 + -7x)(7 + -5x) = 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 '(7 + -5x)' equal to zero and attempt to solve: Simplifying 7 + -5x = 0 Solving 7 + -5x = 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 + -5x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5x = 0 + -7 -5x = 0 + -7 Combine like terms: 0 + -7 = -7 -5x = -7 Divide each side by '-5'. x = 1.4 Simplifying x = 1.4

Solution

x = {-0.8571428571, 1.4}

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