72=-16t^2+20t+96

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Solution for 72=-16t^2+20t+96 equation:


Simplifying
72 = -16t2 + 20t + 96

Reorder the terms:
72 = 96 + 20t + -16t2

Solving
72 = 96 + 20t + -16t2

Solving for variable 't'.

Combine like terms: 72 + -96 = -24
-24 + -20t + 16t2 = 96 + 20t + -16t2 + -96 + -20t + 16t2

Reorder the terms:
-24 + -20t + 16t2 = 96 + -96 + 20t + -20t + -16t2 + 16t2

Combine like terms: 96 + -96 = 0
-24 + -20t + 16t2 = 0 + 20t + -20t + -16t2 + 16t2
-24 + -20t + 16t2 = 20t + -20t + -16t2 + 16t2

Combine like terms: 20t + -20t = 0
-24 + -20t + 16t2 = 0 + -16t2 + 16t2
-24 + -20t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-24 + -20t + 16t2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-6 + -5t + 4t2) = 0

Factor a trinomial.
4((-3 + -4t)(2 + -1t)) = 0

Ignore the factor 4.

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 '(2 + -1t)' equal to zero and attempt to solve: Simplifying 2 + -1t = 0 Solving 2 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1t = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1t = 0 + -2 -1t = 0 + -2 Combine like terms: 0 + -2 = -2 -1t = -2 Divide each side by '-1'. t = 2 Simplifying t = 2

Solution

t = {-0.75, 2}

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