Question

evaluate (x+1) (x+5) by using identity (x+a) (x+b) =x² + (a+b)x + ab​

Answer 1

Answer:

x²+6x+5

Step-by-step explanation:

here a=1,b=5

a+b=6,ab=5

Answer 2

Answer:

A/q, (x+1)(x+5)

= (x)²+x(1+5)+(1x5)

= x²+x(6)+5

= x²+6x+5