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Simplifying
3x2 + 4 = 8
Reorder the terms:
4 + 3x2 = 8
Solving
4 + 3x2 = 8
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + 3x2 = 8 + -4
Combine like terms: 4 + -4 = 0
0 + 3x2 = 8 + -4
3x2 = 8 + -4
Combine like terms: 8 + -4 = 4
3x2 = 4
Divide each side by '3'.
x2 = 1.333333333
Simplifying
x2 = 1.333333333
Take the square root of each side:
x = {-1.154700538, 1.154700538}
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