F(3)-9=5(3-9)2+4(3-9)

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Solution for F(3)-9=5(3-9)2+4(3-9) equation: 


Simplifying
F(3) + -9 = 5(3 + -9) * 2 + 4(3 + -9)

Reorder the terms for easier multiplication:
3F + -9 = 5(3 + -9) * 2 + 4(3 + -9)

Reorder the terms:
-9 + 3F = 5(3 + -9) * 2 + 4(3 + -9)

Combine like terms: 3 + -9 = -6
-9 + 3F = 5(-6) * 2 + 4(3 + -9)

Multiply 5 * -6
-9 + 3F = -30 * 2 + 4(3 + -9)

Multiply -30 * 2
-9 + 3F = -60 + 4(3 + -9)

Combine like terms: 3 + -9 = -6
-9 + 3F = -60 + 4(-6)

Multiply 4 * -6
-9 + 3F = -60 + -24

Combine like terms: -60 + -24 = -84
-9 + 3F = -84

Solving
-9 + 3F = -84

Solving for variable 'F'.

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

Add '9' to each side of the equation.
-9 + 9 + 3F = -84 + 9

Combine like terms: -9 + 9 = 0
0 + 3F = -84 + 9
3F = -84 + 9

Combine like terms: -84 + 9 = -75
3F = -75

Divide each side by '3'.
F = -25

Simplifying
F = -25

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