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Simplifying
x2 + -3x = -3x + 49
Reorder the terms:
-3x + x2 = -3x + 49
Reorder the terms:
-3x + x2 = 49 + -3x
Add '3x' to each side of the equation.
-3x + 3x + x2 = 49 + -3x + 3x
Combine like terms: -3x + 3x = 0
0 + x2 = 49 + -3x + 3x
x2 = 49 + -3x + 3x
Combine like terms: -3x + 3x = 0
x2 = 49 + 0
x2 = 49
Solving
x2 = 49
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Simplifying
x2 = 49
Take the square root of each side:
x = {-7, 7}
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