Question

multiply the following algebraic expression (a+3b-c)(a-b) ​

Answer 1

Answer:

(a+3b-c)(a-b)

a(a-b)+3b(a-b)-c(a-b)

(a²-ab)+(3ab-3b²)-(ac-bc)

=a²+2ab-3b²-ac-bc

Answer 2

Answer:

(a+3b-c) × (a-b)

a(a+3b-c) + b(a+3b-c)

a^2 +3ab -ac +ab +3b^2 -bc