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Simplifying
4x2 + 1 = 65
Reorder the terms:
1 + 4x2 = 65
Solving
1 + 4x2 = 65
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1' to each side of the equation.
1 + -1 + 4x2 = 65 + -1
Combine like terms: 1 + -1 = 0
0 + 4x2 = 65 + -1
4x2 = 65 + -1
Combine like terms: 65 + -1 = 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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