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Simplifying
2x2 + 10 = 210
Reorder the terms:
10 + 2x2 = 210
Solving
10 + 2x2 = 210
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-10' to each side of the equation.
10 + -10 + 2x2 = 210 + -10
Combine like terms: 10 + -10 = 0
0 + 2x2 = 210 + -10
2x2 = 210 + -10
Combine like terms: 210 + -10 = 200
2x2 = 200
Divide each side by '2'.
x2 = 100
Simplifying
x2 = 100
Take the square root of each side:
x = {-10, 10}
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