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Simplifying
0 = -4(4t2 + -16 + 7)
Reorder the terms:
0 = -4(-16 + 7 + 4t2)
Combine like terms: -16 + 7 = -9
0 = -4(-9 + 4t2)
0 = (-9 * -4 + 4t2 * -4)
0 = (36 + -16t2)
Solving
0 = 36 + -16t2
Solving for variable 't'.
Move all terms containing t to the left, all other terms to the right.
Add '16t2' to each side of the equation.
0 + 16t2 = 36 + -16t2 + 16t2
Remove the zero:
16t2 = 36 + -16t2 + 16t2
Combine like terms: -16t2 + 16t2 = 0
16t2 = 36 + 0
16t2 = 36
Divide each side by '16'.
t2 = 2.25
Simplifying
t2 = 2.25
Take the square root of each side:
t = {-1.5, 1.5}
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