4. Simplify the following algebraic expressions.
(a) xy + y2 – 3xy + 5y2
(b) Imn + 3mn - 5lmn + bnm
(c) a2 + 562 – 20ab + 5a?
(d) pq + 2qr - 3pq - 6qr
5. Find the difference between ab + 3bc + 2a- 562 and 5a? - 662 + 10ab.
6. What should be subtracted from 3xy + 5y2 - 2x + 10 to get 7y2 – 2xy + 12?
7. Subtract 5pq + 5p2 + 5pqfrom the sum of 3pq + 2pq? + 5 and -30pq – 12pq? + 10.
8. The sum of two algebraic expressions is ab3 + 5a²b2 - 1262. If one of the algebraic expressions
is a7b2 + 2ab2 - ab, find the other.
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Answer:
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(a) 4y²-2xy
(b) 3mn+bnm - 4lmn
may be it will give you a little help
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