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Simplifying
(3x2 + -7) = 0
Reorder the terms:
(-7 + 3x2) = 0
Remove parenthesis around (-7 + 3x2)
-7 + 3x2 = 0
Solving
-7 + 3x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + 3x2 = 0 + 7
Combine like terms: -7 + 7 = 0
0 + 3x2 = 0 + 7
3x2 = 0 + 7
Combine like terms: 0 + 7 = 7
3x2 = 7
Divide each side by '3'.
x2 = 2.333333333
Simplifying
x2 = 2.333333333
Take the square root of each side:
x = {-1.527525232, 1.527525232}
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