9=-16t^2+73

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Solution for 9=-16t^2+73 equation:


Simplifying
9 = -16t2 + 73

Reorder the terms:
9 = 73 + -16t2

Solving
9 = 73 + -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.
9 + 16t2 = 73 + -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
9 + 16t2 = 73 + 0
9 + 16t2 = 73

Add '-9' to each side of the equation.
9 + -9 + 16t2 = 73 + -9

Combine like terms: 9 + -9 = 0
0 + 16t2 = 73 + -9
16t2 = 73 + -9

Combine like terms: 73 + -9 = 64
16t2 = 64

Divide each side by '16'.
t2 = 4

Simplifying
t2 = 4

Take the square root of each side:
t = {-2, 2}

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