please answer the 5th question
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Answer:
(a) -88
(b)-9
(c)-20
(d)61
Step-by-step explanation:
(a) 4a+6-7ac+b
a=3,b=-1,c=5
=4×3+6-7×3×5+-1
=12+6-105-1
=-88
(b)-b+3a+2b^2-a
=1+9+2-3
=-9
(c)5ab-4bc+8ab+9
=-15+20-24+9
=-20
(d)2ab-3a^2b+5c+ab^2
=6+27+25+3
=61
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