Question

Factorise: my² - mx²​

Answer 1

Answer:

$m {y}^{2} - m {x}^{2} \\ = m( {y}^{2} - {x}^{2} ) \\ = m( {y}^{2} - yx + yx - {x}^{2} ) \\ = m(y(y - x) + x(y - x)) \\ = m(y - x)(y + x)$