Asked by Kate

To simplify the expression of
4r(3r-7) I came up with 12r^-28r.
I cannot take this any further because they are not like terms, is that correct?
Answered by Bosnian
4r(3r-7)= 4r*3r-4*7
=12r^2-28
Answered by Jen
12r^2-28r. You can't take this any further.
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