F(x)=-x^2+40x

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Solution for F(x)=-x^2+40x equation:


Simplifying
F(x) = -1x2 + 40x

Multiply F * x
xF = -1x2 + 40x

Reorder the terms:
xF = 40x + -1x2

Solving
xF = 40x + -1x2

Solving for variable 'x'.

Reorder the terms:
-40x + xF + x2 = 40x + -1x2 + -40x + x2

Reorder the terms:
-40x + xF + x2 = 40x + -40x + -1x2 + x2

Combine like terms: 40x + -40x = 0
-40x + xF + x2 = 0 + -1x2 + x2
-40x + xF + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-40x + xF + x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-40 + F + x) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-40 + F + x)' equal to zero and attempt to solve: Simplifying -40 + F + x = 0 Solving -40 + F + x = 0 Move all terms containing x to the left, all other terms to the right. Add '40' to each side of the equation. -40 + F + 40 + x = 0 + 40 Reorder the terms: -40 + 40 + F + x = 0 + 40 Combine like terms: -40 + 40 = 0 0 + F + x = 0 + 40 F + x = 0 + 40 Combine like terms: 0 + 40 = 40 F + x = 40 Add '-1F' to each side of the equation. F + -1F + x = 40 + -1F Combine like terms: F + -1F = 0 0 + x = 40 + -1F x = 40 + -1F Simplifying x = 40 + -1F

Solution

x = {0, 40 + -1F}

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