0=170-(0.5)9.8t^2

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Solution for 0=170-(0.5)9.8t^2 equation: 


Simplifying
0 = 170 + -1(0.5) * 9.8t2

Multiply -1 * 0.5
0 = 170 + -0.5 * 9.8t2

Multiply -0.5 * 9.8
0 = 170 + -4.9t2

Solving
0 = 170 + -4.9t2

Solving for variable 't'.

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

Add '4.9t2' to each side of the equation.
0 + 4.9t2 = 170 + -4.9t2 + 4.9t2
Remove the zero:
4.9t2 = 170 + -4.9t2 + 4.9t2

Combine like terms: -4.9t2 + 4.9t2 = 0.0
4.9t2 = 170 + 0.0
4.9t2 = 170

Divide each side by '4.9'.
t2 = 34.69387755

Simplifying
t2 = 34.69387755

Take the square root of each side:
t = {-5.890150894, 5.890150894}

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