(5x-6)(x+3)=

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Solution for (5x-6)(x+3)= equation:


Simplifying
(5x + -6)(x + 3) = 0

Reorder the terms:
(-6 + 5x)(x + 3) = 0

Reorder the terms:
(-6 + 5x)(3 + x) = 0

Multiply (-6 + 5x) * (3 + x)
(-6(3 + x) + 5x * (3 + x)) = 0
((3 * -6 + x * -6) + 5x * (3 + x)) = 0
((-18 + -6x) + 5x * (3 + x)) = 0
(-18 + -6x + (3 * 5x + x * 5x)) = 0
(-18 + -6x + (15x + 5x2)) = 0

Combine like terms: -6x + 15x = 9x
(-18 + 9x + 5x2) = 0

Solving
-18 + 9x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -1x)(6 + -5x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

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 = {-3, 1.2}

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