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Simplifying
5x2 + -245 = 0
Reorder the terms:
-245 + 5x2 = 0
Solving
-245 + 5x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '245' to each side of the equation.
-245 + 245 + 5x2 = 0 + 245
Combine like terms: -245 + 245 = 0
0 + 5x2 = 0 + 245
5x2 = 0 + 245
Combine like terms: 0 + 245 = 245
5x2 = 245
Divide each side by '5'.
x2 = 49
Simplifying
x2 = 49
Take the square root of each side:
x = {-7, 7}
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