hebaarif2007 hebaarif2007 08-03-2021 Mathematics contestada The factors of 12pq+3pr+8qr+2r² are ______________. 1. (4q+2r)(3p+r) 2. (3p+4r)(4q+r) 3. (4q+r)(3p+2r) 4. (8q+r)(2p+4r)