Question

simplify (x+3)(x+4) using suitable identity​

Answer 1

Answer:

x= -4, x= -3

Step-by-step explanation:

x2+4x+3x+12

x2+7x+12

(x+4), (x+3)

x=-4,x=-3

Answer 2

Step-by-step explanation:

Here, we will use the identity (x+a)(x+b)= x^2+ (a+b)x+ ab.

(x+3)(x+4)= x^2+(3+4)x +(3×4)

= x^2 + 7x + 12

Hope it will help u...