4t^2+12t=-9

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Solution for 4t^2+12t=-9 equation:


Simplifying
4t2 + 12t = -9

Reorder the terms:
12t + 4t2 = -9

Solving
12t + 4t2 = -9

Solving for variable 't'.

Reorder the terms:
9 + 12t + 4t2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + 12t + 4t2 = 0

Factor a trinomial.
(3 + 2t)(3 + 2t) = 0

Subproblem 1

Set the factor '(3 + 2t)' equal to zero and attempt to solve: Simplifying 3 + 2t = 0 Solving 3 + 2t = 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 + 2t = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2t = 0 + -3 2t = 0 + -3 Combine like terms: 0 + -3 = -3 2t = -3 Divide each side by '2'. t = -1.5 Simplifying t = -1.5

Subproblem 2

Set the factor '(3 + 2t)' equal to zero and attempt to solve: Simplifying 3 + 2t = 0 Solving 3 + 2t = 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 + 2t = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2t = 0 + -3 2t = 0 + -3 Combine like terms: 0 + -3 = -3 2t = -3 Divide each side by '2'. t = -1.5 Simplifying t = -1.5

Solution

t = {-1.5, -1.5}

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