If a cone with a height of nine inches has volume v= 3 pi x squared + 42 pi x+ 147 pi what is the cones radius r in terms of x

i dont know

step-by-step explanation:

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

i think the correct option is the second option.

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step-by-step explanation: