t^3-15t^2=-56t

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Solution for t^3-15t^2=-56t equation:


Simplifying
t3 + -15t2 = -56t

Reorder the terms:
-15t2 + t3 = -56t

Solving
-15t2 + t3 = -56t

Solving for variable 't'.

Reorder the terms:
56t + -15t2 + t3 = -56t + 56t

Combine like terms: -56t + 56t = 0
56t + -15t2 + t3 = 0

Factor out the Greatest Common Factor (GCF), 't'.
t(56 + -15t + t2) = 0

Factor a trinomial.
t((7 + -1t)(8 + -1t)) = 0

Subproblem 1

Set the factor 't' equal to zero and attempt to solve: Simplifying t = 0 Solving t = 0 Move all terms containing t to the left, all other terms to the right. Simplifying t = 0

Subproblem 2

Set the factor '(7 + -1t)' equal to zero and attempt to solve: Simplifying 7 + -1t = 0 Solving 7 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1t = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1t = 0 + -7 -1t = 0 + -7 Combine like terms: 0 + -7 = -7 -1t = -7 Divide each side by '-1'. t = 7 Simplifying t = 7

Subproblem 3

Set the factor '(8 + -1t)' equal to zero and attempt to solve: Simplifying 8 + -1t = 0 Solving 8 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1t = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1t = 0 + -8 -1t = 0 + -8 Combine like terms: 0 + -8 = -8 -1t = -8 Divide each side by '-1'. t = 8 Simplifying t = 8

Solution

t = {0, 7, 8}

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