0=-16t^2+4t+56

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Solution for 0=-16t^2+4t+56 equation:


Simplifying
0 = -16t2 + 4t + 56

Reorder the terms:
0 = 56 + 4t + -16t2

Solving
0 = 56 + 4t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -56 = -56
-56 + -4t + 16t2 = 56 + 4t + -16t2 + -56 + -4t + 16t2

Reorder the terms:
-56 + -4t + 16t2 = 56 + -56 + 4t + -4t + -16t2 + 16t2

Combine like terms: 56 + -56 = 0
-56 + -4t + 16t2 = 0 + 4t + -4t + -16t2 + 16t2
-56 + -4t + 16t2 = 4t + -4t + -16t2 + 16t2

Combine like terms: 4t + -4t = 0
-56 + -4t + 16t2 = 0 + -16t2 + 16t2
-56 + -4t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-56 + -4t + 16t2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-14 + -1t + 4t2) = 0

Factor a trinomial.
4((-7 + -4t)(2 + -1t)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-7 + -4t)' equal to zero and attempt to solve: Simplifying -7 + -4t = 0 Solving -7 + -4t = 0 Move all terms containing t to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -4t = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -4t = 0 + 7 -4t = 0 + 7 Combine like terms: 0 + 7 = 7 -4t = 7 Divide each side by '-4'. t = -1.75 Simplifying t = -1.75

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 = {-1.75, 2}

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