Workout the value for 3x^2-5y
when x=3 and y=4, i think the answer is 61 because :
3*3=...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 21.12.2020 18:30, Nicolas9979
Workout the value for 3x^2-5y
when x=3 and y=4, i think the answer is 61 because :
3*3=9,
9^2=81,
5*4=20,
81-20=61
I just want to make sure that my answer is correct, can you pls tell me if it’s correct? I’ll give you 10 points hehe
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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