Question

How do you solve `5b-2b^2+18=0`?

Answer 1

`b=-2`
or
`b=9/2=4 1/2`

Explanation:

`5b-2b^2+1=0`

`rarr 2b^2-5b-18=0`

`rarr (2b-9)(b+2)=0`

# {: ((2b-9=0),color(white)("XX")orcolor(white)("XX"),(b+2=0\)), (rarr b=9/2,,rarrb=-2) :}#