9f^2-27f+20=0

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Solution for 9f^2-27f+20=0 equation:


Simplifying
9f2 + -27f + 20 = 0

Reorder the terms:
20 + -27f + 9f2 = 0

Solving
20 + -27f + 9f2 = 0

Solving for variable 'f'.

Factor a trinomial.
(4 + -3f)(5 + -3f) = 0

Subproblem 1

Set the factor '(4 + -3f)' equal to zero and attempt to solve: Simplifying 4 + -3f = 0 Solving 4 + -3f = 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 + -3f = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3f = 0 + -4 -3f = 0 + -4 Combine like terms: 0 + -4 = -4 -3f = -4 Divide each side by '-3'. f = 1.333333333 Simplifying f = 1.333333333

Subproblem 2

Set the factor '(5 + -3f)' equal to zero and attempt to solve: Simplifying 5 + -3f = 0 Solving 5 + -3f = 0 Move all terms containing f to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3f = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3f = 0 + -5 -3f = 0 + -5 Combine like terms: 0 + -5 = -5 -3f = -5 Divide each side by '-3'. f = 1.666666667 Simplifying f = 1.666666667

Solution

f = {1.333333333, 1.666666667}

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