0=-16t^2+22t+20

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Solution for 0=-16t^2+22t+20 equation:


Simplifying
0 = -16t2 + 22t + 20

Reorder the terms:
0 = 20 + 22t + -16t2

Solving
0 = 20 + 22t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -20 = -20
-20 + -22t + 16t2 = 20 + 22t + -16t2 + -20 + -22t + 16t2

Reorder the terms:
-20 + -22t + 16t2 = 20 + -20 + 22t + -22t + -16t2 + 16t2

Combine like terms: 20 + -20 = 0
-20 + -22t + 16t2 = 0 + 22t + -22t + -16t2 + 16t2
-20 + -22t + 16t2 = 22t + -22t + -16t2 + 16t2

Combine like terms: 22t + -22t = 0
-20 + -22t + 16t2 = 0 + -16t2 + 16t2
-20 + -22t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-20 + -22t + 16t2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-10 + -11t + 8t2) = 0

Factor a trinomial.
2((-5 + -8t)(2 + -1t)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-5 + -8t)' equal to zero and attempt to solve: Simplifying -5 + -8t = 0 Solving -5 + -8t = 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 + -8t = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -8t = 0 + 5 -8t = 0 + 5 Combine like terms: 0 + 5 = 5 -8t = 5 Divide each side by '-8'. t = -0.625 Simplifying t = -0.625

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 = {-0.625, 2}

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