10n^2+9=49

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Solution for 10n^2+9=49 equation:


Simplifying
10n2 + 9 = 49

Reorder the terms:
9 + 10n2 = 49

Solving
9 + 10n2 = 49

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + 10n2 = 49 + -9

Combine like terms: 9 + -9 = 0
0 + 10n2 = 49 + -9
10n2 = 49 + -9

Combine like terms: 49 + -9 = 40
10n2 = 40

Divide each side by '10'.
n2 = 4

Simplifying
n2 = 4

Take the square root of each side:
n = {-2, 2}

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