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

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


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

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

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

Multiply (4 + 5x) * (-6 + 5x)
(4(-6 + 5x) + 5x * (-6 + 5x)) = 0
((-6 * 4 + 5x * 4) + 5x * (-6 + 5x)) = 0
((-24 + 20x) + 5x * (-6 + 5x)) = 0
(-24 + 20x + (-6 * 5x + 5x * 5x)) = 0
(-24 + 20x + (-30x + 25x2)) = 0

Combine like terms: 20x + -30x = -10x
(-24 + -10x + 25x2) = 0

Solving
-24 + -10x + 25x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -5x)(6 + -5x) = 0

Subproblem 1

Set the factor '(-4 + -5x)' equal to zero and attempt to solve: Simplifying -4 + -5x = 0 Solving -4 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -5x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5x = 0 + 4 -5x = 0 + 4 Combine like terms: 0 + 4 = 4 -5x = 4 Divide each side by '-5'. x = -0.8 Simplifying x = -0.8

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 = {-0.8, 1.2}

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