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Simplifying
12 + -1t2 = 0
Solving
12 + -1t2 = 0
Solving for variable 't'.
Move all terms containing t to the left, all other terms to the right.
Add '-12' to each side of the equation.
12 + -12 + -1t2 = 0 + -12
Combine like terms: 12 + -12 = 0
0 + -1t2 = 0 + -12
-1t2 = 0 + -12
Combine like terms: 0 + -12 = -12
-1t2 = -12
Divide each side by '-1'.
t2 = 12
Simplifying
t2 = 12
Take the square root of each side:
t = {-3.464101615, 3.464101615}
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