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Simplifying
3x2 + 5 = 26
Reorder the terms:
5 + 3x2 = 26
Solving
5 + 3x2 = 26
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-5' to each side of the equation.
5 + -5 + 3x2 = 26 + -5
Combine like terms: 5 + -5 = 0
0 + 3x2 = 26 + -5
3x2 = 26 + -5
Combine like terms: 26 + -5 = 21
3x2 = 21
Divide each side by '3'.
x2 = 7
Simplifying
x2 = 7
Take the square root of each side:
x = {-2.645751311, 2.645751311}
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