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Simplifying
4t2 + 40 = 76
Reorder the terms:
40 + 4t2 = 76
Solving
40 + 4t2 = 76
Solving for variable 't'.
Move all terms containing t to the left, all other terms to the right.
Add '-40' to each side of the equation.
40 + -40 + 4t2 = 76 + -40
Combine like terms: 40 + -40 = 0
0 + 4t2 = 76 + -40
4t2 = 76 + -40
Combine like terms: 76 + -40 = 36
4t2 = 36
Divide each side by '4'.
t2 = 9
Simplifying
t2 = 9
Take the square root of each side:
t = {-3, 3}
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