Question

Solvefor y: x2 = a2 b2 − 2aby

Answer 1

X²=a²+b²-2aby
minus (a²+b²) both sides
x²-a²-b²=-2aby
divide both sides by -2ab
$\frac{x^2-a^2-b^2}{-2ab} =y$
$\frac{a^2+b^2-x^2}{2ab} =y$