6t+t^2-15=12

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Solution for 6t+t^2-15=12 equation:


Simplifying
6t + t2 + -15 = 12

Reorder the terms:
-15 + 6t + t2 = 12

Solving
-15 + 6t + t2 = 12

Solving for variable 't'.

Reorder the terms:
-15 + -12 + 6t + t2 = 12 + -12

Combine like terms: -15 + -12 = -27
-27 + 6t + t2 = 12 + -12

Combine like terms: 12 + -12 = 0
-27 + 6t + t2 = 0

Factor a trinomial.
(-9 + -1t)(3 + -1t) = 0

Subproblem 1

Set the factor '(-9 + -1t)' equal to zero and attempt to solve: Simplifying -9 + -1t = 0 Solving -9 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1t = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1t = 0 + 9 -1t = 0 + 9 Combine like terms: 0 + 9 = 9 -1t = 9 Divide each side by '-1'. t = -9 Simplifying t = -9

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 = {-9, 3}

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