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Simplifying
-4 + -9n2 = -49
Solving
-4 + -9n2 = -49
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + -9n2 = -49 + 4
Combine like terms: -4 + 4 = 0
0 + -9n2 = -49 + 4
-9n2 = -49 + 4
Combine like terms: -49 + 4 = -45
-9n2 = -45
Divide each side by '-9'.
n2 = 5
Simplifying
n2 = 5
Take the square root of each side:
n = {-2.236067978, 2.236067978}
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