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Simplifying
20 + -1t2 = 0
Solving
20 + -1t2 = 0
Solving for variable 't'.
Move all terms containing t to the left, all other terms to the right.
Add '-20' to each side of the equation.
20 + -20 + -1t2 = 0 + -20
Combine like terms: 20 + -20 = 0
0 + -1t2 = 0 + -20
-1t2 = 0 + -20
Combine like terms: 0 + -20 = -20
-1t2 = -20
Divide each side by '-1'.
t2 = 20
Simplifying
t2 = 20
Take the square root of each side:
t = {-4.472135955, 4.472135955}
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