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Simplifying
t * t = (4 + 16) * 4
Multiply t * t
t2 = (4 + 16) * 4
Combine like terms: 4 + 16 = 20
t2 = (20) * 4
Multiply 20 * 4
t2 = 80
Solving
t2 = 80
Solving for variable 't'.
Move all terms containing t to the left, all other terms to the right.
Simplifying
t2 = 80
Take the square root of each side:
t = {-8.94427191, 8.94427191}
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