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Simplifying
16x2 + 32 + 16 = 81
Reorder the terms:
32 + 16 + 16x2 = 81
Combine like terms: 32 + 16 = 48
48 + 16x2 = 81
Solving
48 + 16x2 = 81
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-48' to each side of the equation.
48 + -48 + 16x2 = 81 + -48
Combine like terms: 48 + -48 = 0
0 + 16x2 = 81 + -48
16x2 = 81 + -48
Combine like terms: 81 + -48 = 33
16x2 = 33
Divide each side by '16'.
x2 = 2.0625
Simplifying
x2 = 2.0625
Take the square root of each side:
x = {-1.436140662, 1.436140662}
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