5t^2=10t+75

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Solution for 5t^2=10t+75 equation:


Simplifying
5t2 = 10t + 75

Reorder the terms:
5t2 = 75 + 10t

Solving
5t2 = 75 + 10t

Solving for variable 't'.

Reorder the terms:
-75 + -10t + 5t2 = 75 + 10t + -75 + -10t

Reorder the terms:
-75 + -10t + 5t2 = 75 + -75 + 10t + -10t

Combine like terms: 75 + -75 = 0
-75 + -10t + 5t2 = 0 + 10t + -10t
-75 + -10t + 5t2 = 10t + -10t

Combine like terms: 10t + -10t = 0
-75 + -10t + 5t2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-15 + -2t + t2) = 0

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

Ignore the factor 5.

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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