182k views
2 votes
Write this trinomial in factored form. 4b2 - 25b - 21

User Wergeld
by
4.4k points

1 Answer

2 votes

solution

For this case we can do the following:


4b^2-25b-21=(4b+3)(b-7)

and we can verify on this way:


(4b+3)(b-7)=4b^2-28b+3b-21=4b^2-25b-21

User Ehsan Jelodar
by
3.7k points