2x^2+gx-8=72

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Solution for 2x^2+gx-8=72 equation:


Simplifying
2x2 + gx + -8 = 72

Reorder the terms:
-8 + gx + 2x2 = 72

Solving
-8 + gx + 2x2 = 72

Solving for variable 'g'.

Move all terms containing g to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + gx + 8 + 2x2 = 72 + 8

Reorder the terms:
-8 + 8 + gx + 2x2 = 72 + 8

Combine like terms: -8 + 8 = 0
0 + gx + 2x2 = 72 + 8
gx + 2x2 = 72 + 8

Combine like terms: 72 + 8 = 80
gx + 2x2 = 80

Add '-2x2' to each side of the equation.
gx + 2x2 + -2x2 = 80 + -2x2

Combine like terms: 2x2 + -2x2 = 0
gx + 0 = 80 + -2x2
gx = 80 + -2x2

Divide each side by 'x'.
g = 80x-1 + -2x

Simplifying
g = 80x-1 + -2x

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