-15=8x^2-22x

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Solution for -15=8x^2-22x equation:


Simplifying
-15 = 8x2 + -22x

Reorder the terms:
-15 = -22x + 8x2

Solving
-15 = -22x + 8x2

Solving for variable 'x'.

Reorder the terms:
-15 + 22x + -8x2 = -22x + 22x + 8x2 + -8x2

Combine like terms: -22x + 22x = 0
-15 + 22x + -8x2 = 0 + 8x2 + -8x2
-15 + 22x + -8x2 = 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
-15 + 22x + -8x2 = 0

Factor a trinomial.
(-3 + 2x)(5 + -4x) = 0

Subproblem 1

Set the factor '(-3 + 2x)' equal to zero and attempt to solve: Simplifying -3 + 2x = 0 Solving -3 + 2x = 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 + 2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 2x = 0 + 3 2x = 0 + 3 Combine like terms: 0 + 3 = 3 2x = 3 Divide each side by '2'. x = 1.5 Simplifying x = 1.5

Subproblem 2

Set the factor '(5 + -4x)' equal to zero and attempt to solve: Simplifying 5 + -4x = 0 Solving 5 + -4x = 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 + -4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4x = 0 + -5 -4x = 0 + -5 Combine like terms: 0 + -5 = -5 -4x = -5 Divide each side by '-4'. x = 1.25 Simplifying x = 1.25

Solution

x = {1.5, 1.25}

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