100=-16t^2+165

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Solution for 100=-16t^2+165 equation:


Simplifying
100 = -16t2 + 165

Reorder the terms:
100 = 165 + -16t2

Solving
100 = 165 + -16t2

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '16t2' to each side of the equation.
100 + 16t2 = 165 + -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
100 + 16t2 = 165 + 0
100 + 16t2 = 165

Add '-100' to each side of the equation.
100 + -100 + 16t2 = 165 + -100

Combine like terms: 100 + -100 = 0
0 + 16t2 = 165 + -100
16t2 = 165 + -100

Combine like terms: 165 + -100 = 65
16t2 = 65

Divide each side by '16'.
t2 = 4.0625

Simplifying
t2 = 4.0625

Take the square root of each side:
t = {-2.015564437, 2.015564437}

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