3t^2+4t=15

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Solution for 3t^2+4t=15 equation:


Simplifying
3t2 + 4t = 15

Reorder the terms:
4t + 3t2 = 15

Solving
4t + 3t2 = 15

Solving for variable 't'.

Reorder the terms:
-15 + 4t + 3t2 = 15 + -15

Combine like terms: 15 + -15 = 0
-15 + 4t + 3t2 = 0

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

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 + -3t)' equal to zero and attempt to solve: Simplifying 5 + -3t = 0 Solving 5 + -3t = 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 + -3t = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3t = 0 + -5 -3t = 0 + -5 Combine like terms: 0 + -5 = -5 -3t = -5 Divide each side by '-3'. t = 1.666666667 Simplifying t = 1.666666667

Solution

t = {-3, 1.666666667}

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