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

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


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

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

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

Multiply (-3 + 6x) * (5 + x)
(-3(5 + x) + 6x * (5 + x)) = 0
((5 * -3 + x * -3) + 6x * (5 + x)) = 0
((-15 + -3x) + 6x * (5 + x)) = 0
(-15 + -3x + (5 * 6x + x * 6x)) = 0
(-15 + -3x + (30x + 6x2)) = 0

Combine like terms: -3x + 30x = 27x
(-15 + 27x + 6x2) = 0

Solving
-15 + 27x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-5 + 9x + 2x2) = 0

Factor a trinomial.
3((-5 + -1x)(1 + -2x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-5 + -1x)' equal to zero and attempt to solve: Simplifying -5 + -1x = 0 Solving -5 + -1x = 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 + -1x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5 Combine like terms: 0 + 5 = 5 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-5, 0.5}

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