3h2+32h+20

Factor 32 out of 32h.

3h2+32(h)+20

Rewrite 32 as 2 plus 30

3h2+(2+30)h+20

Apply the distributive property.

3h2+2h+30h+20

3h2+2h+30h+20

Group the first two terms and the last two terms.

(3h2+2h)+30h+20

Factor out the greatest common factor (GCF) from each group.

h(3h+2)+10(3h+2)

h(3h+2)+10(3h+2)

Factor the polynomial by factoring out the greatest common factor, 3h+2.

(3h+2)(h+10)

Factor 3h^2+32h+20