F(x)=42x^2+90x+8

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Solution for F(x)=42x^2+90x+8 equation: 


Simplifying
F(x) = 42x2 + 90x + 8

Multiply F * x
xF = 42x2 + 90x + 8

Reorder the terms:
xF = 8 + 90x + 42x2

Solving
xF = 8 + 90x + 42x2

Solving for variable 'x'.

Reorder the terms:
-8 + -90x + xF + -42x2 = 8 + 90x + 42x2 + -8 + -90x + -42x2

Reorder the terms:
-8 + -90x + xF + -42x2 = 8 + -8 + 90x + -90x + 42x2 + -42x2

Combine like terms: 8 + -8 = 0
-8 + -90x + xF + -42x2 = 0 + 90x + -90x + 42x2 + -42x2
-8 + -90x + xF + -42x2 = 90x + -90x + 42x2 + -42x2

Combine like terms: 90x + -90x = 0
-8 + -90x + xF + -42x2 = 0 + 42x2 + -42x2
-8 + -90x + xF + -42x2 = 42x2 + -42x2

Combine like terms: 42x2 + -42x2 = 0
-8 + -90x + xF + -42x2 = 0

The solution to this equation could not be determined.

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