5x^2-20+31x-4=180

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Solution for 5x^2-20+31x-4=180 equation:


Simplifying
5x2 + -20 + 31x + -4 = 180

Reorder the terms:
-20 + -4 + 31x + 5x2 = 180

Combine like terms: -20 + -4 = -24
-24 + 31x + 5x2 = 180

Solving
-24 + 31x + 5x2 = 180

Solving for variable 'x'.

Reorder the terms:
-24 + -180 + 31x + 5x2 = 180 + -180

Combine like terms: -24 + -180 = -204
-204 + 31x + 5x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-204 + 31x + 5x2 = 0

Factor a trinomial.
(-51 + -5x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-51 + -5x)' equal to zero and attempt to solve: Simplifying -51 + -5x = 0 Solving -51 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '51' to each side of the equation. -51 + 51 + -5x = 0 + 51 Combine like terms: -51 + 51 = 0 0 + -5x = 0 + 51 -5x = 0 + 51 Combine like terms: 0 + 51 = 51 -5x = 51 Divide each side by '-5'. x = -10.2 Simplifying x = -10.2

Subproblem 2

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

Solution

x = {-10.2, 4}

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