The sum of –7pq and 2pq is(a) –9pq (b) 9pq (c) 5pq (d) – 5pq

1.	The sum of –7pq and 2pq is(a) –9pq (b) 9pq (c) 5pq (d) – 5pq
Answer» (d) – 5pq The given two monomials are like terms. Then sum of -7pq and 2pg = – 7pq + 2pq = (-7 + 2) pq = -5pq

Answer»

(d) – 5pq

The given two monomials are like terms.

Then sum of -7pq and 2pg = – 7pq + 2pq

= (-7 + 2) pq

= -5pq

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