Question

Solve the formula for n.
A=P sqrt2+n

Answer 1

n = (A/P)² - 2

Explanation:

I will assume that you meant A=P sqrt(2+n).

Squaring both sides, we get A² = P²(2 + n), or

2 + n = (A/P)²

Then n = (A/P)² - 2