0=-16t^2+90+36

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Solution for 0=-16t^2+90+36 equation: 


Simplifying
0 = -16t2 + 90 + 36

Reorder the terms:
0 = 90 + 36 + -16t2

Combine like terms: 90 + 36 = 126
0 = 126 + -16t2

Solving
0 = 126 + -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.
0 + 16t2 = 126 + -16t2 + 16t2
Remove the zero:
16t2 = 126 + -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
16t2 = 126 + 0
16t2 = 126

Divide each side by '16'.
t2 = 7.875

Simplifying
t2 = 7.875

Take the square root of each side:
t = {-2.80624304, 2.80624304}

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