Question

Using identitiy (x+a)(x+b)=x^ +(a+b) x+an find : (x+3)(x+7)​

Answer 1

Answer:

x^2 +10x +21

Step-by-step explanation:

(x+3)(x+7)​

= x^2 + (3+7)x +21

=x^2 +10x +21

plz mark brainliest tyvm!!

Answer 2

Answer:

(x+3)(x+7)=x^2 + 10x + 21