lilemmabear lilemmabear

19-03-2021
Mathematics

contestada

The square of a positive number added to three times the number is 28. Find the number.

Respuesta :

lagonz00279 lagonz00279

22-03-2021

Answer:

4

Step-by-step explanation:

I just plugged in numbers

x^2+3x=28

4^2+3(4)=28

16+12=28

28=28

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