Question

factorise 5x^2y - 15xy^2​

Answer 1

Answer :

5x^y = 5 × x × x × y

15xy^ = 5 × x × y^

= 3 × 5 × x × y ^

= 3 × 5 × x × y × y

so,

5x^y = 5 × x × x × y

= 3 × 5 × x × x × y

So, 5,x and y are the common factors.