Question

factorise the given polynomial xb+ka +xa+kb​

Answer 1

Answer:

(a+b)(x+k)

Step-by-step explanation:

Reaarange them:

xb+xa)+(ka+kb)

Take out common:

x(b+a) + k(a+b)

(a+b)(x+k)

Answer 2

Answer:

xb+ka+xa+kb

= xb+kb+xa+ka

= b(x+k)+a(x+k)

= (b+a)(x+k)