F(-3)=(-3)3-(-3)2-(-3)+13

Solution for F(-3)=(-3)3-(-3)2-(-3)+13 equation:

Simplifying
F(-3) = (-3) * 3 + -1(-3) * 2 + -1(-3) + 13

Reorder the terms for easier multiplication:
-3F = (-3) * 3 + -1(-3) * 2 + -1(-3) + 13

Multiply -3 * 3
-3F = -9 + -1(-3) * 2 + -1(-3) + 13

Multiply -1 * -3
-3F = -9 + 3 * 2 + -1(-3) + 13

Multiply 3 * 2
-3F = -9 + 6 + -1(-3) + 13

Multiply -1 * -3
-3F = -9 + 6 + 3 + 13

Combine like terms: -9 + 6 = -3
-3F = -3 + 3 + 13

Combine like terms: -3 + 3 = 0
-3F = 0 + 13
-3F = 13

Solving
-3F = 13

Solving for variable 'F'.

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

Divide each side by '-3'.
F = -4.333333333

Simplifying
F = -4.333333333