Question

Use the suitable identity to find the product of

1.

the following:

(1) (x + 1) (x + 2)​

Answer 1

x² + 3x + 2

Step-by-step explanation:

using identity (x+a) (x+b)

(x+1)(x+2)

x²+ (1+2)x+(1×2)

x²+ 3x + 3.

ans.

Answer 2

Step-by-step explanation:

x²+(a+b)x+ab

x²+(1+2)x+1(2)

product=x²+3x+3