(2x-6)(5x+2)=0

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Solution for (2x-6)(5x+2)=0 equation:


Simplifying
(2x + -6)(5x + 2) = 0

Reorder the terms:
(-6 + 2x)(5x + 2) = 0

Reorder the terms:
(-6 + 2x)(2 + 5x) = 0

Multiply (-6 + 2x) * (2 + 5x)
(-6(2 + 5x) + 2x * (2 + 5x)) = 0
((2 * -6 + 5x * -6) + 2x * (2 + 5x)) = 0
((-12 + -30x) + 2x * (2 + 5x)) = 0
(-12 + -30x + (2 * 2x + 5x * 2x)) = 0
(-12 + -30x + (4x + 10x2)) = 0

Combine like terms: -30x + 4x = -26x
(-12 + -26x + 10x2) = 0

Solving
-12 + -26x + 10x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-6 + -13x + 5x2) = 0

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

Ignore the factor 2.

Subproblem 1

Set the factor '(-2 + -5x)' equal to zero and attempt to solve: Simplifying -2 + -5x = 0 Solving -2 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -5x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -5x = 0 + 2 -5x = 0 + 2 Combine like terms: 0 + 2 = 2 -5x = 2 Divide each side by '-5'. x = -0.4 Simplifying x = -0.4

Subproblem 2

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

Solution

x = {-0.4, 3}

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