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Simplifying
25n2 + 3 = 84
Reorder the terms:
3 + 25n2 = 84
Solving
3 + 25n2 = 84
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '-3' to each side of the equation.
3 + -3 + 25n2 = 84 + -3
Combine like terms: 3 + -3 = 0
0 + 25n2 = 84 + -3
25n2 = 84 + -3
Combine like terms: 84 + -3 = 81
25n2 = 81
Divide each side by '25'.
n2 = 3.24
Simplifying
n2 = 3.24
Take the square root of each side:
n = {-1.8, 1.8}
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