`2p+3q = 18` and `4p^2 +4 pq – 3q^2 - 36 = 0` then what is `(2p+q)` equal to?

2p+3q=18 and 4p^2+4pq–3q2−36=0 then what is (2p+q) equal to?

If 2p + 3q = 12 and 4p^(2) + 4pq - 3q^(2) = 126 , then what is the value of p + 2q ?

If (p + 2) (2q - 1) = 2pq - 10 and (p - 2) (2q - 1) = 2pq - 10, then what is pq equal to ?

If the equation x^2 + px + q =0 and x^2 + p' x + q' =0 have common roots, show that it must be equal to (pq' - p'q)/(q-q') or (q-q')/(p'-p) .

(p + q) ( p^2 - pq + q^2 ) = ____

If 3p^2 = 5p+2 and 3q^2 = 5q+2 where p!=q, pq is equal to

If 3p^2 = 5p+2 and 3q^2 = 5q+2 where p!=q, pq is equal to