90=-16t^2-155

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Solution for 90=-16t^2-155 equation:


Simplifying
90 = -16t2 + -155

Reorder the terms:
90 = -155 + -16t2

Solving
90 = -155 + -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.
90 + 16t2 = -155 + -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
90 + 16t2 = -155 + 0
90 + 16t2 = -155

Add '-90' to each side of the equation.
90 + -90 + 16t2 = -155 + -90

Combine like terms: 90 + -90 = 0
0 + 16t2 = -155 + -90
16t2 = -155 + -90

Combine like terms: -155 + -90 = -245
16t2 = -245

Divide each side by '16'.
t2 = -15.3125

Simplifying
t2 = -15.3125

Reorder the terms:
15.3125 + t2 = -15.3125 + 15.3125

Combine like terms: -15.3125 + 15.3125 = 0.0000
15.3125 + t2 = 0.0000

The solution to this equation could not be determined.

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