338=-16t^2+48t+402

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Solution for 338=-16t^2+48t+402 equation:


Simplifying
338 = -16t2 + 48t + 402

Reorder the terms:
338 = 402 + 48t + -16t2

Solving
338 = 402 + 48t + -16t2

Solving for variable 't'.

Combine like terms: 338 + -402 = -64
-64 + -48t + 16t2 = 402 + 48t + -16t2 + -402 + -48t + 16t2

Reorder the terms:
-64 + -48t + 16t2 = 402 + -402 + 48t + -48t + -16t2 + 16t2

Combine like terms: 402 + -402 = 0
-64 + -48t + 16t2 = 0 + 48t + -48t + -16t2 + 16t2
-64 + -48t + 16t2 = 48t + -48t + -16t2 + 16t2

Combine like terms: 48t + -48t = 0
-64 + -48t + 16t2 = 0 + -16t2 + 16t2
-64 + -48t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-64 + -48t + 16t2 = 0

Factor out the Greatest Common Factor (GCF), '16'.
16(-4 + -3t + t2) = 0

Factor a trinomial.
16((-1 + -1t)(4 + -1t)) = 0

Ignore the factor 16.

Subproblem 1

Set the factor '(-1 + -1t)' equal to zero and attempt to solve: Simplifying -1 + -1t = 0 Solving -1 + -1t = 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 + -1t = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1t = 0 + 1 -1t = 0 + 1 Combine like terms: 0 + 1 = 1 -1t = 1 Divide each side by '-1'. t = -1 Simplifying t = -1

Subproblem 2

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

Solution

t = {-1, 4}

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