Identify like terms in the following:
(a) −xy2, − 4yx2,8x2, 2xy2, 7y, −11x2, − 100x, −11yx,20x2y, −6x2, y,2xy,3x
(b) 10pq, 7p, 8q, − p2q2,− 7qp, − 100q, − 23, 12q2p2,− 5p2, 41, 2405p, 78qp, 13p2q,qp2, 701p2
(a) −xy2,2xy2
−4yx2, 20x2y
8x2, −11x2, −6x2
7y, y
−100x, 3x
−11xy, 2xy
(b) 10pq,−7qp, 78qp
7p, 2405p
8q, −100q
−p2q2, 12p2q2
−23, 41
−5p2, 701p2
13p2q, qp2