Question

Using the identity (x + a ) (x + b) = x²
 + (a + b)x + ab find the product of
(x + 3 ) ( x + 7 )
​

Answer 1

Answer:

(x+5)^2 or x^2+10x

Step-by-step explanation:

using the identity put the values of a,b and open the bracket using x and that's your ans.