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Simplifying
5x2 + -63 = x2 + 1
Reorder the terms:
-63 + 5x2 = x2 + 1
Reorder the terms:
-63 + 5x2 = 1 + x2
Solving
-63 + 5x2 = 1 + 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.
-63 + 5x2 + -1x2 = 1 + x2 + -1x2
Combine like terms: 5x2 + -1x2 = 4x2
-63 + 4x2 = 1 + x2 + -1x2
Combine like terms: x2 + -1x2 = 0
-63 + 4x2 = 1 + 0
-63 + 4x2 = 1
Add '63' to each side of the equation.
-63 + 63 + 4x2 = 1 + 63
Combine like terms: -63 + 63 = 0
0 + 4x2 = 1 + 63
4x2 = 1 + 63
Combine like terms: 1 + 63 = 64
4x2 = 64
Divide each side by '4'.
x2 = 16
Simplifying
x2 = 16
Take the square root of each side:
x = {-4, 4}
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