Question

will give medal :DD
1.Factor completely
a2 - a - 20

2.factor completely
x2 + 13x + 36

3.Factor completely
b2 + 12b + 32

4.factor completely
x2 - 5x - 14

Answer 1

20 factors 4,5
a^2-5a+4a-20=0=>a(a-5)+4(a-5)=0=>(a+4)(a-5)=0
similarly solve for others
36 factors are (6,6),(9,4),(12,3)
32 factors are (8,4)
14 factors are (2,7)

Answer 2

:$ the answer? lol

Answer 3

if you need just answers you can use online calculator. If you want to learn, then this is the right place....