Question

simplify: (a-b) (a+b-c)​

Answer 1

Step-by-step explanation:

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

a2+ab-ac-ba-b2+cb

a2-b2-ac+cb

a2-b2-c(a-b)

Answer 2

a(a+b-c)-b(a+b-c)
a^2+ab-ac-ab-b^2+bc
a^2-ac-b^2+bc