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Simplifying
81 + -49n2 = 0
Solving
81 + -49n2 = 0
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '-81' to each side of the equation.
81 + -81 + -49n2 = 0 + -81
Combine like terms: 81 + -81 = 0
0 + -49n2 = 0 + -81
-49n2 = 0 + -81
Combine like terms: 0 + -81 = -81
-49n2 = -81
Divide each side by '-49'.
n2 = 1.653061224
Simplifying
n2 = 1.653061224
Take the square root of each side:
n = {-1.285714286, 1.285714286}
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