Question

What two numbers multiplies to 36 and add to negative 21

Answer 1

factor 36 and add them, make sure both are negatie
1+36=37, nope
2+18=20 nope
3+12=15,nope
4+9=13, nope
6+6=12, nope

the closest one is 20

I hope you meant adds to -20, because if you did, then answer is -2 and -18

if you did mean 36 and adds to -21, then the numbers are
`(-21-3 √(33) )/(2)` and
`(-21+3 √(33) )/(2)`, aprox -19.1168 and -1.8831