f(f-22)+72=0

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Solution for f(f-22)+72=0 equation:


Simplifying
f(f + -22) + 72 = 0

Reorder the terms:
f(-22 + f) + 72 = 0
(-22 * f + f * f) + 72 = 0
(-22f + f2) + 72 = 0

Reorder the terms:
72 + -22f + f2 = 0

Solving
72 + -22f + f2 = 0

Solving for variable 'f'.

Factor a trinomial.
(4 + -1f)(18 + -1f) = 0

Subproblem 1

Set the factor '(4 + -1f)' equal to zero and attempt to solve: Simplifying 4 + -1f = 0 Solving 4 + -1f = 0 Move all terms containing f to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1f = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1f = 0 + -4 -1f = 0 + -4 Combine like terms: 0 + -4 = -4 -1f = -4 Divide each side by '-1'. f = 4 Simplifying f = 4

Subproblem 2

Set the factor '(18 + -1f)' equal to zero and attempt to solve: Simplifying 18 + -1f = 0 Solving 18 + -1f = 0 Move all terms containing f to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1f = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1f = 0 + -18 -1f = 0 + -18 Combine like terms: 0 + -18 = -18 -1f = -18 Divide each side by '-1'. f = 18 Simplifying f = 18

Solution

f = {4, 18}

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