128t-8t^2=312

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Solution for 128t-8t^2=312 equation:


Simplifying
128t + -8t2 = 312

Solving
128t + -8t2 = 312

Solving for variable 't'.

Reorder the terms:
-312 + 128t + -8t2 = 312 + -312

Combine like terms: 312 + -312 = 0
-312 + 128t + -8t2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(-39 + 16t + -1t2) = 0

Factor a trinomial.
8((-13 + t)(3 + -1t)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-13 + t)' equal to zero and attempt to solve: Simplifying -13 + t = 0 Solving -13 + t = 0 Move all terms containing t to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + t = 0 + 13 Combine like terms: -13 + 13 = 0 0 + t = 0 + 13 t = 0 + 13 Combine like terms: 0 + 13 = 13 t = 13 Simplifying t = 13

Subproblem 2

Set the factor '(3 + -1t)' equal to zero and attempt to solve: Simplifying 3 + -1t = 0 Solving 3 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1t = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1t = 0 + -3 -1t = 0 + -3 Combine like terms: 0 + -3 = -3 -1t = -3 Divide each side by '-1'. t = 3 Simplifying t = 3

Solution

t = {13, 3}

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