Question

Need Some assistance
Paul predicts that n stalks of corn planted together will produce (2n squared - 2n) ears of corn. If paul plants 3 corn plants, how many ears of corn does paul expect to harvest?

Answer 1

\[2n^2-2n=2n(n-1)\] and he plants n = 3 get
\[2\times 3(3-1)=6\times 2=12\] ears

Answer 2

or if you prefer
\[2\times 3^2-2\times 3=18-6=12\]

Answer 3

ok thank you so much