Question

Find the value of the expression 3a2b-2ab+3 when

i) a=1 and b=-2


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Answer 1

Answer:

5

Step-by-step explanation:

3a2b-2ab+3

a=1. b=2

3(1)×2(2)-2(1)(2)+3

3×4-4+3

12-7

=5 answer