Question

expand (-p+2q + 3r) s.q​

Answer 1

Answer:

Questions

Expand (p−2q+r) 2

Step-by-step explanation:

Answer

p−2q+r)

2

=p

2

+4q

2

+r

2

−4pq−4qr+2pr

(a+b+c)

2

=a

2

+b

2

+c

2

+2ab+2bc+2qc

Answer 2

Answer:

(-p+2q+3r)^2= p^2+4q^2+9r^2-4pq+12qr-6pr