Question

resolve into factors 9y^2-25z^2

Answer 1

Answer:

$= > (3y + 5z)(3y - 5z)$

Explanation:

$since \: x {}^{2} - y {}^{2} = (x + y)(x - y)$

$therefore \: \\ 9y {}^{2} - 25z {}^{2} = (3y + 5z)(3y - 5z)$