# <span lang="EN-US

(a)

So, From the above table we conclude that sets of like terms are

1. -xy2, 2xy2 : As both have common variable factors as x, y and y

2. -4yx2, 20x2y : As both have common variable factors as x, x and y

3. 8x2 , -11x2, -6x2 : As both have common variable factors as x and x

4. -11yx, 2xy : As both have common variable factors as x and y

5. -100x, 3x : As both have common variable factor as x

6. 7y, y : As both have common variable factor as y

(b)

So, From the above table we conclude that sets of like terms are

1. 10pq, –7qp, 78qp : As both have common variable factors as p and q

2. 7p, 2405p: As both have common variable factor as p

3. 8q, – 100q : As both have common variable factor as q

4. –p2q2, 12q2p2 : As both have common variable factors as p, q, q and q

5. –23, 41 : As both terms are constant and don’t have any variable factor .

6. –5p2, 701p2 :As both have common variable factors as p and p.

7. 13p2q, qp2 : As both have common variable factors as p, p and q.

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