Posted by michaelr on .
Combine like term, write answer in descending order.
4x^2  6x +9?

algrebra 
Reiny,
it is all done

algrebra 
michaelramsey,
Evaluate each polynomial for x=3 and for x = 3 Left this out sorry

algrebra 
Reiny,
Just sub in the values and do the arithmetic.
I will do the harder one
x = 3 ......
4(3)^2  6(3) + 9
= 36 + 18 + 9
= ....