Question

factorise the expression am^2+bm^2+bn^2+an^2​

Answer 1

This is your answer

am2+bm2+bn2+an2

Taking m2 and n2 common

m2(a+b) +n2(b+a)

putting -(minus) to convert (b+a) to (a+b)

m2(a+b) - n2(a+b)

(m2-n2) (a+b) answer

Answer 2

Answer:

(a+b)(m^2-n^2) this is the answer .........

Step-by-step explanation:

hope it will help you