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Simplifying
0 = -16x2 + 122 + 99
Reorder the terms:
0 = 122 + 99 + -16x2
Combine like terms: 122 + 99 = 221
0 = 221 + -16x2
Solving
0 = 221 + -16x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '16x2' to each side of the equation.
0 + 16x2 = 221 + -16x2 + 16x2
Remove the zero:
16x2 = 221 + -16x2 + 16x2
Combine like terms: -16x2 + 16x2 = 0
16x2 = 221 + 0
16x2 = 221
Divide each side by '16'.
x2 = 13.8125
Simplifying
x2 = 13.8125
Take the square root of each side:
x = {-3.716517187, 3.716517187}
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