Question

factorise (1+x) (1+a)+b(1+x)+ab+abx​

Answer 1

Answer:

Refer to the attachment for answer :)

Answer 2

⇒-ab(a+b) = (a+b)x(a+b+x) ➡ (a+b){x(a+b+x)+ ab) = 0

x(a+b+x)+ ab = 0

→x² + ax+bx+ ab 0

=→x(x+a) +b(x+a)=0

(x+ a)(x+b)=0

➡x + a = 0 or x +b = 0

⇒x=-a or x = -b