235=-15t^2+120t+10

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Solution for 235=-15t^2+120t+10 equation:


Simplifying
235 = -15t2 + 120t + 10

Reorder the terms:
235 = 10 + 120t + -15t2

Solving
235 = 10 + 120t + -15t2

Solving for variable 't'.

Combine like terms: 235 + -10 = 225
225 + -120t + 15t2 = 10 + 120t + -15t2 + -10 + -120t + 15t2

Reorder the terms:
225 + -120t + 15t2 = 10 + -10 + 120t + -120t + -15t2 + 15t2

Combine like terms: 10 + -10 = 0
225 + -120t + 15t2 = 0 + 120t + -120t + -15t2 + 15t2
225 + -120t + 15t2 = 120t + -120t + -15t2 + 15t2

Combine like terms: 120t + -120t = 0
225 + -120t + 15t2 = 0 + -15t2 + 15t2
225 + -120t + 15t2 = -15t2 + 15t2

Combine like terms: -15t2 + 15t2 = 0
225 + -120t + 15t2 = 0

Factor out the Greatest Common Factor (GCF), '15'.
15(15 + -8t + t2) = 0

Factor a trinomial.
15((3 + -1t)(5 + -1t)) = 0

Ignore the factor 15.

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -1t)' equal to zero and attempt to solve: Simplifying 5 + -1t = 0 Solving 5 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1t = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1t = 0 + -5 -1t = 0 + -5 Combine like terms: 0 + -5 = -5 -1t = -5 Divide each side by '-1'. t = 5 Simplifying t = 5

Solution

t = {3, 5}

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