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Simplifying
1 + -1x2 + 3x = 3x
Reorder the terms:
1 + 3x + -1x2 = 3x
Add '-3x' to each side of the equation.
1 + 3x + -3x + -1x2 = 3x + -3x
Combine like terms: 3x + -3x = 0
1 + 0 + -1x2 = 3x + -3x
1 + -1x2 = 3x + -3x
Combine like terms: 3x + -3x = 0
1 + -1x2 = 0
Solving
1 + -1x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1' to each side of the equation.
1 + -1 + -1x2 = 0 + -1
Combine like terms: 1 + -1 = 0
0 + -1x2 = 0 + -1
-1x2 = 0 + -1
Combine like terms: 0 + -1 = -1
-1x2 = -1
Divide each side by '-1'.
x2 = 1
Simplifying
x2 = 1
Take the square root of each side:
x = {-1, 1}
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