(5x+6)(4x-2)=0

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Solution for (5x+6)(4x-2)=0 equation:


Simplifying
(5x + 6)(4x + -2) = 0

Reorder the terms:
(6 + 5x)(4x + -2) = 0

Reorder the terms:
(6 + 5x)(-2 + 4x) = 0

Multiply (6 + 5x) * (-2 + 4x)
(6(-2 + 4x) + 5x * (-2 + 4x)) = 0
((-2 * 6 + 4x * 6) + 5x * (-2 + 4x)) = 0
((-12 + 24x) + 5x * (-2 + 4x)) = 0
(-12 + 24x + (-2 * 5x + 4x * 5x)) = 0
(-12 + 24x + (-10x + 20x2)) = 0

Combine like terms: 24x + -10x = 14x
(-12 + 14x + 20x2) = 0

Solving
-12 + 14x + 20x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-6 + 7x + 10x2) = 0

Factor a trinomial.
2((-6 + -5x)(1 + -2x)) = 0

Ignore the factor 2.

Subproblem 1

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

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 = {-1.2, 0.5}

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