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Simplifying
0 = 18x2 + -16 + -4
Reorder the terms:
0 = -16 + -4 + 18x2
Combine like terms: -16 + -4 = -20
0 = -20 + 18x2
Solving
0 = -20 + 18x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-18x2' to each side of the equation.
0 + -18x2 = -20 + 18x2 + -18x2
Remove the zero:
-18x2 = -20 + 18x2 + -18x2
Combine like terms: 18x2 + -18x2 = 0
-18x2 = -20 + 0
-18x2 = -20
Divide each side by '-18'.
x2 = 1.111111111
Simplifying
x2 = 1.111111111
Take the square root of each side:
x = {-1.054092553, 1.054092553}
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