F(X)=3X-4+X(9X-7)

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Solution for F(X)=3X-4+X(9X-7) equation: 


Simplifying
F(X) = 3X + -4 + X(9X + -7)

Multiply F * X
FX = 3X + -4 + X(9X + -7)

Reorder the terms:
FX = 3X + -4 + X(-7 + 9X)
FX = 3X + -4 + (-7 * X + 9X * X)
FX = 3X + -4 + (-7X + 9X2)

Reorder the terms:
FX = -4 + 3X + -7X + 9X2

Combine like terms: 3X + -7X = -4X
FX = -4 + -4X + 9X2

Solving
FX = -4 + -4X + 9X2

Solving for variable 'F'.

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

Divide each side by 'X'.
F = -4X-1 + -4 + 9X

Simplifying
F = -4X-1 + -4 + 9X

Reorder the terms:
F = -4 + -4X-1 + 9X

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