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Simplifying
10 = 2x2 + 4
Reorder the terms:
10 = 4 + 2x2
Solving
10 = 4 + 2x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-2x2' to each side of the equation.
10 + -2x2 = 4 + 2x2 + -2x2
Combine like terms: 2x2 + -2x2 = 0
10 + -2x2 = 4 + 0
10 + -2x2 = 4
Add '-10' to each side of the equation.
10 + -10 + -2x2 = 4 + -10
Combine like terms: 10 + -10 = 0
0 + -2x2 = 4 + -10
-2x2 = 4 + -10
Combine like terms: 4 + -10 = -6
-2x2 = -6
Divide each side by '-2'.
x2 = 3
Simplifying
x2 = 3
Take the square root of each side:
x = {-1.732050808, 1.732050808}
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