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Simplifying
4x2 + -15 = 241
Reorder the terms:
-15 + 4x2 = 241
Solving
-15 + 4x2 = 241
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '15' to each side of the equation.
-15 + 15 + 4x2 = 241 + 15
Combine like terms: -15 + 15 = 0
0 + 4x2 = 241 + 15
4x2 = 241 + 15
Combine like terms: 241 + 15 = 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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