Question

write the following in expanded form (a+2b-c)^2

Answer 1

Step-by-step explanation:

(a+2b-c)2

( a + 2b - c) 2

( a + 2b - c ) 2

a2 +4b2-c2+2(2ab+ac-2bc)

a2+4b2-c2+4ab+2ac-4bc