2t^2-t=120

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Solution for 2t^2-t=120 equation:


Simplifying
2t2 + -1t = 120

Reorder the terms:
-1t + 2t2 = 120

Solving
-1t + 2t2 = 120

Solving for variable 't'.

Reorder the terms:
-120 + -1t + 2t2 = 120 + -120

Combine like terms: 120 + -120 = 0
-120 + -1t + 2t2 = 0

Factor a trinomial.
(-15 + -2t)(8 + -1t) = 0

Subproblem 1

Set the factor '(-15 + -2t)' equal to zero and attempt to solve: Simplifying -15 + -2t = 0 Solving -15 + -2t = 0 Move all terms containing t to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + -2t = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -2t = 0 + 15 -2t = 0 + 15 Combine like terms: 0 + 15 = 15 -2t = 15 Divide each side by '-2'. t = -7.5 Simplifying t = -7.5

Subproblem 2

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 = {-7.5, 8}

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