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Simplifying
7n2 + 10 = 619
Reorder the terms:
10 + 7n2 = 619
Solving
10 + 7n2 = 619
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '-10' to each side of the equation.
10 + -10 + 7n2 = 619 + -10
Combine like terms: 10 + -10 = 0
0 + 7n2 = 619 + -10
7n2 = 619 + -10
Combine like terms: 619 + -10 = 609
7n2 = 609
Divide each side by '7'.
n2 = 87
Simplifying
n2 = 87
Take the square root of each side:
n = {-9.327379053, 9.327379053}
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