aˆ2-13a+40
aˆ2+8a+15
aˆ2bˆ2-12ab+20
xˆ2+14x+24
xˆ2-5x-14
xˆ2-5x-6
mˆ2-10m-200
aˆ2+2a-24
iˆ2-i-6
(i-3)(i+2)
(x-6)(x+1)
(m-20)(m-10)
(ab-10)(ab-2)
(x-7)(x+2)
(a-8)(a-5)
(x+12)(x+2)
(a+3)(a+5)
(a+6)(a-4)