Identify like terms in the following : (a) `-xy^2, -4yx^2, 8x^2, 2xy^2,7y,-11x^2,-100x,-11yx,20x^2y,-6x^2,y,2xy,3x` (b) `10pq,7p,8q,-p^2q^2,-7qp,-100q,-23,12q^2p^2,-5p^2,41,2405p,78qp,13p^2q,qp^2,701p^1`

Identify like terms in the following : (a) -xy^(2),-4yx^(2),8x^(2),2xy^(2),7y,-11x^(2),-100x,-11yx,20x^(2)y,-6x^(2),y,2xy,3x(b)10pq,7p,8q,-p^(2)q^(2),-7qp,-100q,-23,12q^(2)p^(2),-5p^(2),41,2405p,78qp,13p^(2)q,qp^(2),701p

Identify like terms in the following – xy^2, – 4yx^2, 8x^2, 2xy^2, 7y, – 11x^2, – 100x, – 11yx, 20x^2y, – 6x^2, y, 2xy, 3x

Identify like terms in the following: xy^2,-4yx^2,2xy^2,7y,-11x^2-100x,-11yx,20x^2y,-6x^2y,2xy,3x

Identify the like terms, 10pq,7p,-p^2q^2 ,-7pq,-100q,-23,-12q^2p^2,-5p^2,4l,2405p, 78qp,13p^2q,qp^2,701p

Identify the like terms, xy^2,-4yx^2,8x^2,7y,-11x^2,-100x,-11yx,20x^2y,6x^2,y,2xy,3x

Identify like terms in the following: 10pq,7p,8q,-p^2q^2-7qp,-7qp,-100q,-23,12q^2p^2,-5p^2,41,2405p,78qp,13p^2,qp^2,701p^2

Identify like terms in the following 10pq, 7p, 8q, – p^2q^2, – 7qp, – 100q, – 23, 12q^2p^2, – 5p2, 41, 2405p, 78qp, 13p^2q, qp^2, 701p^2

Subtract 4p^2q-3pq+5pq^2-8p+7q-10 from 18-3p-11q+5pq-2pq^2+5p^2q

Factorize each of the following expressions: (1) q r-p r+q s-p s (2) p^2q-p r^2-p q+r^2 (3) 1+x+x y+x^2y (4) a x+a y-b x-b y

Show that: x p q p x q q q xx-p)(x^2+p x-2q^2) .