2x^2-7=73-6x

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Solution for 2x^2-7=73-6x equation:


Simplifying
2x2 + -7 = 73 + -6x

Reorder the terms:
-7 + 2x2 = 73 + -6x

Solving
-7 + 2x2 = 73 + -6x

Solving for variable 'x'.

Reorder the terms:
-7 + -73 + 6x + 2x2 = 73 + -6x + -73 + 6x

Combine like terms: -7 + -73 = -80
-80 + 6x + 2x2 = 73 + -6x + -73 + 6x

Reorder the terms:
-80 + 6x + 2x2 = 73 + -73 + -6x + 6x

Combine like terms: 73 + -73 = 0
-80 + 6x + 2x2 = 0 + -6x + 6x
-80 + 6x + 2x2 = -6x + 6x

Combine like terms: -6x + 6x = 0
-80 + 6x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-40 + 3x + x2) = 0

Factor a trinomial.
2((-8 + -1x)(5 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-8, 5}

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