54=-16t^2+60t+4

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Solution for 54=-16t^2+60t+4 equation:


Simplifying
54 = -16t2 + 60t + 4

Reorder the terms:
54 = 4 + 60t + -16t2

Solving
54 = 4 + 60t + -16t2

Solving for variable 't'.

Combine like terms: 54 + -4 = 50
50 + -60t + 16t2 = 4 + 60t + -16t2 + -4 + -60t + 16t2

Reorder the terms:
50 + -60t + 16t2 = 4 + -4 + 60t + -60t + -16t2 + 16t2

Combine like terms: 4 + -4 = 0
50 + -60t + 16t2 = 0 + 60t + -60t + -16t2 + 16t2
50 + -60t + 16t2 = 60t + -60t + -16t2 + 16t2

Combine like terms: 60t + -60t = 0
50 + -60t + 16t2 = 0 + -16t2 + 16t2
50 + -60t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
50 + -60t + 16t2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(25 + -30t + 8t2) = 0

Factor a trinomial.
2((5 + -4t)(5 + -2t)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -2t)' equal to zero and attempt to solve: Simplifying 5 + -2t = 0 Solving 5 + -2t = 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 + -2t = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2t = 0 + -5 -2t = 0 + -5 Combine like terms: 0 + -5 = -5 -2t = -5 Divide each side by '-2'. t = 2.5 Simplifying t = 2.5

Solution

t = {1.25, 2.5}

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