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Simplifying
2X2 + -7 = 74
Reorder the terms:
-7 + 2X2 = 74
Solving
-7 + 2X2 = 74
Solving for variable 'X'.
Move all terms containing X to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + 2X2 = 74 + 7
Combine like terms: -7 + 7 = 0
0 + 2X2 = 74 + 7
2X2 = 74 + 7
Combine like terms: 74 + 7 = 81
2X2 = 81
Divide each side by '2'.
X2 = 40.5
Simplifying
X2 = 40.5
Take the square root of each side:
X = {-6.363961031, 6.363961031}
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