4t^2-23t=-15

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Solution for 4t^2-23t=-15 equation:


Simplifying
4t2 + -23t = -15

Reorder the terms:
-23t + 4t2 = -15

Solving
-23t + 4t2 = -15

Solving for variable 't'.

Reorder the terms:
15 + -23t + 4t2 = -15 + 15

Combine like terms: -15 + 15 = 0
15 + -23t + 4t2 = 0

Factor a trinomial.
(3 + -4t)(5 + -1t) = 0

Subproblem 1

Set the factor '(3 + -4t)' equal to zero and attempt to solve: Simplifying 3 + -4t = 0 Solving 3 + -4t = 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 + -4t = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4t = 0 + -3 -4t = 0 + -3 Combine like terms: 0 + -3 = -3 -4t = -3 Divide each side by '-4'. t = 0.75 Simplifying t = 0.75

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 = {0.75, 5}

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