F(x)=(-x^2-5)-(7x^3+12)

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Solution for F(x)=(-x^2-5)-(7x^3+12) equation: 


Simplifying
F(x) = (-1x2 + -5) + -1(7x3 + 12)

Multiply F * x
xF = (-1x2 + -5) + -1(7x3 + 12)

Reorder the terms:
xF = (-5 + -1x2) + -1(7x3 + 12)

Remove parenthesis around (-5 + -1x2)
xF = -5 + -1x2 + -1(7x3 + 12)

Reorder the terms:
xF = -5 + -1x2 + -1(12 + 7x3)
xF = -5 + -1x2 + (12 * -1 + 7x3 * -1)
xF = -5 + -1x2 + (-12 + -7x3)

Reorder the terms:
xF = -5 + -12 + -1x2 + -7x3

Combine like terms: -5 + -12 = -17
xF = -17 + -1x2 + -7x3

Solving
xF = -17 + -1x2 + -7x3

Solving for variable 'x'.

Reorder the terms:
17 + xF + x2 + 7x3 = -17 + -1x2 + -7x3 + 17 + x2 + 7x3

Reorder the terms:
17 + xF + x2 + 7x3 = -17 + 17 + -1x2 + x2 + -7x3 + 7x3

Combine like terms: -17 + 17 = 0
17 + xF + x2 + 7x3 = 0 + -1x2 + x2 + -7x3 + 7x3
17 + xF + x2 + 7x3 = -1x2 + x2 + -7x3 + 7x3

Combine like terms: -1x2 + x2 = 0
17 + xF + x2 + 7x3 = 0 + -7x3 + 7x3
17 + xF + x2 + 7x3 = -7x3 + 7x3

Combine like terms: -7x3 + 7x3 = 0
17 + xF + x2 + 7x3 = 0

The solution to this equation could not be determined.

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