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Simplifying
4n2 + -9 = 8
Reorder the terms:
-9 + 4n2 = 8
Solving
-9 + 4n2 = 8
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 4n2 = 8 + 9
Combine like terms: -9 + 9 = 0
0 + 4n2 = 8 + 9
4n2 = 8 + 9
Combine like terms: 8 + 9 = 17
4n2 = 17
Divide each side by '4'.
n2 = 4.25
Simplifying
n2 = 4.25
Take the square root of each side:
n = {-2.061552813, 2.061552813}
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