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Simplifying
16 = 3.14x2 + -81(3.14)
Multiply -81 * 3.14
16 = 3.14x2 + -254.34
Reorder the terms:
16 = -254.34 + 3.14x2
Solving
16 = -254.34 + 3.14x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3.14x2' to each side of the equation.
16 + -3.14x2 = -254.34 + 3.14x2 + -3.14x2
Combine like terms: 3.14x2 + -3.14x2 = 0.00
16 + -3.14x2 = -254.34 + 0.00
16 + -3.14x2 = -254.34
Add '-16' to each side of the equation.
16 + -16 + -3.14x2 = -254.34 + -16
Combine like terms: 16 + -16 = 0
0 + -3.14x2 = -254.34 + -16
-3.14x2 = -254.34 + -16
Combine like terms: -254.34 + -16 = -270.34
-3.14x2 = -270.34
Divide each side by '-3.14'.
x2 = 86.0955414
Simplifying
x2 = 86.0955414
Take the square root of each side:
x = {-9.278768313, 9.278768313}
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