-8x^2=-7-26x

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Solution for -8x^2=-7-26x equation:


Simplifying
-8x2 = -7 + -26x

Solving
-8x2 = -7 + -26x

Solving for variable 'x'.

Reorder the terms:
7 + 26x + -8x2 = -7 + -26x + 7 + 26x

Reorder the terms:
7 + 26x + -8x2 = -7 + 7 + -26x + 26x

Combine like terms: -7 + 7 = 0
7 + 26x + -8x2 = 0 + -26x + 26x
7 + 26x + -8x2 = -26x + 26x

Combine like terms: -26x + 26x = 0
7 + 26x + -8x2 = 0

Factor a trinomial.
(7 + -2x)(1 + 4x) = 0

Subproblem 1

Set the factor '(7 + -2x)' equal to zero and attempt to solve: Simplifying 7 + -2x = 0 Solving 7 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2x = 0 + -7 -2x = 0 + -7 Combine like terms: 0 + -7 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5

Subproblem 2

Set the factor '(1 + 4x)' equal to zero and attempt to solve: Simplifying 1 + 4x = 0 Solving 1 + 4x = 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 + 4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4x = 0 + -1 4x = 0 + -1 Combine like terms: 0 + -1 = -1 4x = -1 Divide each side by '4'. x = -0.25 Simplifying x = -0.25

Solution

x = {3.5, -0.25}

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