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Simplifying
3n2 + 4n2 = 175
Combine like terms: 3n2 + 4n2 = 7n2
7n2 = 175
Solving
7n2 = 175
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Divide each side by '7'.
n2 = 25
Simplifying
n2 = 25
Take the square root of each side:
n = {-5, 5}
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