0=-16t^2+8t+15

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Solution for 0=-16t^2+8t+15 equation:


Simplifying
0 = -16t2 + 8t + 15

Reorder the terms:
0 = 15 + 8t + -16t2

Solving
0 = 15 + 8t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -15 = -15
-15 + -8t + 16t2 = 15 + 8t + -16t2 + -15 + -8t + 16t2

Reorder the terms:
-15 + -8t + 16t2 = 15 + -15 + 8t + -8t + -16t2 + 16t2

Combine like terms: 15 + -15 = 0
-15 + -8t + 16t2 = 0 + 8t + -8t + -16t2 + 16t2
-15 + -8t + 16t2 = 8t + -8t + -16t2 + 16t2

Combine like terms: 8t + -8t = 0
-15 + -8t + 16t2 = 0 + -16t2 + 16t2
-15 + -8t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-15 + -8t + 16t2 = 0

Factor a trinomial.
(-3 + -4t)(5 + -4t) = 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 + -4t)' equal to zero and attempt to solve: Simplifying 5 + -4t = 0 Solving 5 + -4t = 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 + -4t = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4t = 0 + -5 -4t = 0 + -5 Combine like terms: 0 + -5 = -5 -4t = -5 Divide each side by '-4'. t = 1.25 Simplifying t = 1.25

Solution

t = {-0.75, 1.25}

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