12f^3-14f^2-40f=0

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Solution for 12f^3-14f^2-40f=0 equation:


Simplifying
12f3 + -14f2 + -40f = 0

Reorder the terms:
-40f + -14f2 + 12f3 = 0

Solving
-40f + -14f2 + 12f3 = 0

Solving for variable 'f'.

Factor out the Greatest Common Factor (GCF), '2f'.
2f(-20 + -7f + 6f2) = 0

Factor a trinomial.
2f((-4 + -3f)(5 + -2f)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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 3

Set the factor '(5 + -2f)' equal to zero and attempt to solve: Simplifying 5 + -2f = 0 Solving 5 + -2f = 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 + -2f = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2f = 0 + -5 -2f = 0 + -5 Combine like terms: 0 + -5 = -5 -2f = -5 Divide each side by '-2'. f = 2.5 Simplifying f = 2.5

Solution

f = {0, -1.333333333, 2.5}

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