f^2-9f-22=0

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Solution for f^2-9f-22=0 equation:


Simplifying
f2 + -9f + -22 = 0

Reorder the terms:
-22 + -9f + f2 = 0

Solving
-22 + -9f + f2 = 0

Solving for variable 'f'.

Factor a trinomial.
(-2 + -1f)(11 + -1f) = 0

Subproblem 1

Set the factor '(-2 + -1f)' equal to zero and attempt to solve: Simplifying -2 + -1f = 0 Solving -2 + -1f = 0 Move all terms containing f to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1f = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1f = 0 + 2 -1f = 0 + 2 Combine like terms: 0 + 2 = 2 -1f = 2 Divide each side by '-1'. f = -2 Simplifying f = -2

Subproblem 2

Set the factor '(11 + -1f)' equal to zero and attempt to solve: Simplifying 11 + -1f = 0 Solving 11 + -1f = 0 Move all terms containing f to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1f = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1f = 0 + -11 -1f = 0 + -11 Combine like terms: 0 + -11 = -11 -1f = -11 Divide each side by '-1'. f = 11 Simplifying f = 11

Solution

f = {-2, 11}

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