Question

use suitable identity to find each of the following products:
$(a - c)( - a + c)$
​

Answer 1

Answer:

Step-by-step explanation:

a(-a+c) -c(-a+c)

-a^2+ac+ac-c^2

-a^2-c^2+_2ac

the identity used is

(x+y)^2=x^2+y^2+2xy