Question

Using algebraic identity find the value of ( x - 7 ) ( x + 8 )​

Answer 1

Answer:

x^2 +15x +56

Step-by-step explanation:

(x-7) (x+8) =x^2 +15x +56 {Using identity (x-a) (x+b) = x^2 + ( a+b)x + ab }