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

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


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

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

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

Multiply (6 + x) * (-6 + 5x)
(6(-6 + 5x) + x(-6 + 5x)) = 0
((-6 * 6 + 5x * 6) + x(-6 + 5x)) = 0
((-36 + 30x) + x(-6 + 5x)) = 0
(-36 + 30x + (-6 * x + 5x * x)) = 0
(-36 + 30x + (-6x + 5x2)) = 0

Combine like terms: 30x + -6x = 24x
(-36 + 24x + 5x2) = 0

Solving
-36 + 24x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-6 + -1x)(6 + -5x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 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 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

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 = {-6, 1.2}

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