1) (\(c+\)1) (\(h+6\)) \(=\)
 
 
2) (8m2+18)(8m+9n+4) \(=\) iii+72i2n+32i2+im+162i+72.
 
(Note: Write the answer in standard monomial form and enter numbers and variables in separate windows; enter the powers in windows next to variables.)