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Simplifying
2x2 + 4 = x2 + 29
Reorder the terms:
4 + 2x2 = x2 + 29
Reorder the terms:
4 + 2x2 = 29 + x2
Solving
4 + 2x2 = 29 + x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1x2' to each side of the equation.
4 + 2x2 + -1x2 = 29 + x2 + -1x2
Combine like terms: 2x2 + -1x2 = 1x2
4 + 1x2 = 29 + x2 + -1x2
Combine like terms: x2 + -1x2 = 0
4 + 1x2 = 29 + 0
4 + 1x2 = 29
Add '-4' to each side of the equation.
4 + -4 + 1x2 = 29 + -4
Combine like terms: 4 + -4 = 0
0 + 1x2 = 29 + -4
1x2 = 29 + -4
Combine like terms: 29 + -4 = 25
1x2 = 25
Divide each side by '1'.
x2 = 25
Simplifying
x2 = 25
Take the square root of each side:
x = {-5, 5}
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