0=-16t^2+156t+40

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Solution for 0=-16t^2+156t+40 equation:


Simplifying
0 = -16t2 + 156t + 40

Reorder the terms:
0 = 40 + 156t + -16t2

Solving
0 = 40 + 156t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -40 = -40
-40 + -156t + 16t2 = 40 + 156t + -16t2 + -40 + -156t + 16t2

Reorder the terms:
-40 + -156t + 16t2 = 40 + -40 + 156t + -156t + -16t2 + 16t2

Combine like terms: 40 + -40 = 0
-40 + -156t + 16t2 = 0 + 156t + -156t + -16t2 + 16t2
-40 + -156t + 16t2 = 156t + -156t + -16t2 + 16t2

Combine like terms: 156t + -156t = 0
-40 + -156t + 16t2 = 0 + -16t2 + 16t2
-40 + -156t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-40 + -156t + 16t2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-10 + -39t + 4t2) = 0

Factor a trinomial.
4((-1 + -4t)(10 + -1t)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-1 + -4t)' equal to zero and attempt to solve: Simplifying -1 + -4t = 0 Solving -1 + -4t = 0 Move all terms containing t to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -4t = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -4t = 0 + 1 -4t = 0 + 1 Combine like terms: 0 + 1 = 1 -4t = 1 Divide each side by '-4'. t = -0.25 Simplifying t = -0.25

Subproblem 2

Set the factor '(10 + -1t)' equal to zero and attempt to solve: Simplifying 10 + -1t = 0 Solving 10 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1t = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1t = 0 + -10 -1t = 0 + -10 Combine like terms: 0 + -10 = -10 -1t = -10 Divide each side by '-1'. t = 10 Simplifying t = 10

Solution

t = {-0.25, 10}

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