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Simplifying
-6x2 + 7 + 3x2 + 1 = 0
Reorder the terms:
7 + 1 + -6x2 + 3x2 = 0
Combine like terms: 7 + 1 = 8
8 + -6x2 + 3x2 = 0
Combine like terms: -6x2 + 3x2 = -3x2
8 + -3x2 = 0
Solving
8 + -3x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-8' to each side of the equation.
8 + -8 + -3x2 = 0 + -8
Combine like terms: 8 + -8 = 0
0 + -3x2 = 0 + -8
-3x2 = 0 + -8
Combine like terms: 0 + -8 = -8
-3x2 = -8
Divide each side by '-3'.
x2 = 2.666666667
Simplifying
x2 = 2.666666667
Take the square root of each side:
x = {-1.632993162, 1.632993162}
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