Question

2b^2-9b-5 How do you answer this by factoring

Answer 1

Maybe ask google i sometimes do that

Answer 2

Simple...

you have: $2b^{2}-9b-5$

Using the box method-->>>

What multiplies to -10 and adds to -9?

-10*1=-10

-10+1=-9

(b-5)(2b+1)

Thus, your answer.