2. Perform the following operations:
(a) ab x bc
(d) 23xy + xy
(b) 25a2 + 5a
(e) 34st – 14 st
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Answer:
Step-by-step explanation:
(a)ab * bc
= abbc
(b)23xy+xy
=24xy
(c)25a2+5a
=25*2a+5a
=50a+5a
=55a
(d)34st-14st
=20st
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