Latest book Aptitude Question SOLUTION: Factor each of the following. 1) a2-9 2) 4a2-4a+1 3) y2+16y+64 4) 81r2 -36rs +4s2 5) x2 +3x+2 6) x2+8x+12 7) 72 - 22x+x2 8) x2 +x-6 9) x2-5x-24 10) 3x2+11x+10