Question

Find the sum: (4n² + 2n + 8) + (5n² + n + 13)
Answer

Answer 1

\[(4n² + 2n + 8) + (5n² + n + 13)\]\[=4n^2+2n+8+5n^2+n+13\]\[=9n^2+3n+21\]

Answer 2

Understod??

Answer 3

\[9n^2+3n+21\]can also be written as \[\Large{3(3n^2+n+7)}\]