briannaspratling briannaspratling

20-08-2016
Mathematics

contestada

twice a number is added to three times its square. if the result is 16, find the number

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missbunny12345 missbunny12345

20-08-2016

x=2. Honestly, what i did is a guess and check because I wasn't sure. Set up the equation like this. x² + 3(x²)=16 Then just think what makes the most sense and the answer is two because it would end up being 4+3(4) =16 which is correct :)

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