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Simplifying
-10x2 + 18 = 0
Reorder the terms:
18 + -10x2 = 0
Solving
18 + -10x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-18' to each side of the equation.
18 + -18 + -10x2 = 0 + -18
Combine like terms: 18 + -18 = 0
0 + -10x2 = 0 + -18
-10x2 = 0 + -18
Combine like terms: 0 + -18 = -18
-10x2 = -18
Divide each side by '-10'.
x2 = 1.8
Simplifying
x2 = 1.8
Take the square root of each side:
x = {-1.341640787, 1.341640787}
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