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Simplifying
4X2 + -38 = 218
Reorder the terms:
-38 + 4X2 = 218
Solving
-38 + 4X2 = 218
Solving for variable 'X'.
Move all terms containing X to the left, all other terms to the right.
Add '38' to each side of the equation.
-38 + 38 + 4X2 = 218 + 38
Combine like terms: -38 + 38 = 0
0 + 4X2 = 218 + 38
4X2 = 218 + 38
Combine like terms: 218 + 38 = 256
4X2 = 256
Divide each side by '4'.
X2 = 64
Simplifying
X2 = 64
Take the square root of each side:
X = {-8, 8}
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