Q(x)=2x^2-4x-7

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Solution for Q(x)=2x^2-4x-7 equation: 


Simplifying
Q(x) = 2x2 + -4x + -7

Multiply Q * x
xQ = 2x2 + -4x + -7

Reorder the terms:
xQ = -7 + -4x + 2x2

Solving
xQ = -7 + -4x + 2x2

Solving for variable 'x'.

Reorder the terms:
7 + 4x + xQ + -2x2 = -7 + -4x + 2x2 + 7 + 4x + -2x2

Reorder the terms:
7 + 4x + xQ + -2x2 = -7 + 7 + -4x + 4x + 2x2 + -2x2

Combine like terms: -7 + 7 = 0
7 + 4x + xQ + -2x2 = 0 + -4x + 4x + 2x2 + -2x2
7 + 4x + xQ + -2x2 = -4x + 4x + 2x2 + -2x2

Combine like terms: -4x + 4x = 0
7 + 4x + xQ + -2x2 = 0 + 2x2 + -2x2
7 + 4x + xQ + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
7 + 4x + xQ + -2x2 = 0

The solution to this equation could not be determined.

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