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Simplifying
10x2 + -9 = 171
Reorder the terms:
-9 + 10x2 = 171
Solving
-9 + 10x2 = 171
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 10x2 = 171 + 9
Combine like terms: -9 + 9 = 0
0 + 10x2 = 171 + 9
10x2 = 171 + 9
Combine like terms: 171 + 9 = 180
10x2 = 180
Divide each side by '10'.
x2 = 18
Simplifying
x2 = 18
Take the square root of each side:
x = {-4.242640687, 4.242640687}
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