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

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


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

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

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

Multiply (-5 + 2x) * (6 + 5x)
(-5(6 + 5x) + 2x * (6 + 5x)) = 0
((6 * -5 + 5x * -5) + 2x * (6 + 5x)) = 0
((-30 + -25x) + 2x * (6 + 5x)) = 0
(-30 + -25x + (6 * 2x + 5x * 2x)) = 0
(-30 + -25x + (12x + 10x2)) = 0

Combine like terms: -25x + 12x = -13x
(-30 + -13x + 10x2) = 0

Solving
-30 + -13x + 10x2 = 0

Solving for variable 'x'.

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

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 '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 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 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {-1.2, 2.5}

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