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Simplifying
5n2 + -7 = 448
Reorder the terms:
-7 + 5n2 = 448
Solving
-7 + 5n2 = 448
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + 5n2 = 448 + 7
Combine like terms: -7 + 7 = 0
0 + 5n2 = 448 + 7
5n2 = 448 + 7
Combine like terms: 448 + 7 = 455
5n2 = 455
Divide each side by '5'.
n2 = 91
Simplifying
n2 = 91
Take the square root of each side:
n = {-9.539392014, 9.539392014}
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