Simplify completely quantity 3 x squared plus 21 x minus 54 all over x squared plus 3 x minus 54.

3 open parentheses x minus 2 close parentheses over quantity x minus 6

7 x over x minus 1

1

10

Question

Simplify completely quantity 3 x squared plus 21 x minus 54 all over x squared plus 3 x minus 54.

 3 open parentheses x minus 2 close parentheses over quantity x minus 6

 7 x over x minus 1

 1

 10

jenniferjuice · Answer

@Hamoody1996

anonymous · Answer

do you want to simplify ?

anonymous · Answer

@jenniferjuice does it look like that
$$\frac{ 3x2+21x−54}{x2+3x−54 }$$

jenniferjuice · Answer

attachment

anonymous · Answer

i dont know because the denominator dont factor !
@mathmale

mathmale · Answer

I'm still experimenting.  If you want, you could divide using long division.  You could also apply the quadratic formula to the denominator.

anonymous · Answer

but there will be fractions, and the choices dont have fractions

anonymous · Answer

@jenniferjuice

mathmale · Answer

We've got to brainstorm.  Try what you think is the best approach.  If it doesn't work, choose another approach.  I've tried the quadratic formula on the denominator and get "good" results.  Try it.

mathmale · Answer

Experience is one of the best teachers.

anonymous · Answer

i see the simplest form is by factorizing the upper numerator only

jenniferjuice · Answer

wjhat do i do ?

mathmale · Answer

Try applying the quadratic formula to the denominator, please.  I've just double checked it and have come up with two integer roots.