Question

P(a+4) + 2q(a+4) =(a+4) ?

Answer 1

pa+p4+2qa+8q=a+4?

pa+2qa+p4+8q=a+4?

a(p+2q)+4(p+2q)=a+4?

(a+4)(p+2q)=a+4?

(a+4)(p+2q)/a+4=?

p+2q=?

p+2q will be the answer of this question.