336=-16t^2+40t+672

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Solution for 336=-16t^2+40t+672 equation:


Simplifying
336 = -16t2 + 40t + 672

Reorder the terms:
336 = 672 + 40t + -16t2

Solving
336 = 672 + 40t + -16t2

Solving for variable 't'.

Combine like terms: 336 + -672 = -336
-336 + -40t + 16t2 = 672 + 40t + -16t2 + -672 + -40t + 16t2

Reorder the terms:
-336 + -40t + 16t2 = 672 + -672 + 40t + -40t + -16t2 + 16t2

Combine like terms: 672 + -672 = 0
-336 + -40t + 16t2 = 0 + 40t + -40t + -16t2 + 16t2
-336 + -40t + 16t2 = 40t + -40t + -16t2 + 16t2

Combine like terms: 40t + -40t = 0
-336 + -40t + 16t2 = 0 + -16t2 + 16t2
-336 + -40t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-336 + -40t + 16t2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(-42 + -5t + 2t2) = 0

Factor a trinomial.
8((-7 + -2t)(6 + -1t)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-7 + -2t)' equal to zero and attempt to solve: Simplifying -7 + -2t = 0 Solving -7 + -2t = 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 + -2t = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2t = 0 + 7 -2t = 0 + 7 Combine like terms: 0 + 7 = 7 -2t = 7 Divide each side by '-2'. t = -3.5 Simplifying t = -3.5

Subproblem 2

Set the factor '(6 + -1t)' equal to zero and attempt to solve: Simplifying 6 + -1t = 0 Solving 6 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1t = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1t = 0 + -6 -1t = 0 + -6 Combine like terms: 0 + -6 = -6 -1t = -6 Divide each side by '-1'. t = 6 Simplifying t = 6

Solution

t = {-3.5, 6}

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