write 4r39r27r in standard formSolutionI believe the equatio

write 4r+3-9r^2+7r in standard form

Solution

I believe the equation is...
4r+3-9r²+7r

First...
4r+7r=11r

The equation is now...
7r+3-9r²

I suspect this would be standard, as it is the equation format and typically see...
-9r²+7r+3