Math, asked by kavithaky23, 9 months ago

10. Add the following expressions by regrouping the like terms:
a) 15xy-2y+3z-2xy+yz-9z
b) Sab+12b²a-2ab-ab2 +2abc-2abc+5ab

Answers

Answered by smartlearner4

3

Answer:

15xy-2y+3z-2xy+yz-9z

= 15xy-2xy+3z-9z-2y+yz

= 13xy-6z-2y+yz

Step-by-step explanation:

2nd I don't know.

I am sorry

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