Question

if a=-3 and b=2 find the value of
5a/2b+ab-1

Answer 1

$\frac{5 \times - 3}{2 \times 2} + ( - 3 \times 2) - 1 \\ = \frac{ - 15}{4} - 6 - 1 \\ = \frac{ - 15 - 24 - 6}{4} \\ = \frac{ - 45}{4} \\ = - 11.25$
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Answer 2

Answer:

-22

Step-by-step explanation:

(5)(−3)/2(2)+(−3)(2)−1

−15/2(2)+(−3)(2)−1

−15+(−3)(2)−1

=−15+−6−1

=−21−1

=−22