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Simplifying
2X2 + 36 = 400
Reorder the terms:
36 + 2X2 = 400
Solving
36 + 2X2 = 400
Solving for variable 'X'.
Move all terms containing X to the left, all other terms to the right.
Add '-36' to each side of the equation.
36 + -36 + 2X2 = 400 + -36
Combine like terms: 36 + -36 = 0
0 + 2X2 = 400 + -36
2X2 = 400 + -36
Combine like terms: 400 + -36 = 364
2X2 = 364
Divide each side by '2'.
X2 = 182
Simplifying
X2 = 182
Take the square root of each side:
X = {-13.490737563, 13.490737563}
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