Question

Simplify:
(p+q-r)+ 2(
pq+r) + (p-q+r)?​

Answer 1

Answer:

p+q-r+2pq+2r+p+q+r

2p+2q+2r+2pq

2(p+q+r+pq)

Answer 2

Step-by-step explanation:

1/2 [(q-r)(2A +pd -d) + (r -p)(2A + qd - d)+(p-q)(2A + rd-d)] = 1/2[2A{(q-r)+(r-p)+(p-q)} + d{p(q-r)+q(r-p)+r(p-q)-d{(q-r)+(r-p)+(p-q)}]