Help PLEASE ASAP
divide and simplify
3x+12/4x-18 divided by x+4/x-3 thank you!

Question

Help PLEASE ASAP
divide and simplify 
3x+12/4x-18 divided by x+4/x-3 thank you!

mathstudent55 · Answer

Is this the question?

$ \dfrac{3x + 12}{4x - 18} \div \dfrac{x+ 4}{x - 3} $

anonymous · Answer

yes

anonymous · Answer

@mathstudent55

anonymous · Answer

$$(a/b) \div (c/d)$$ can be rewritten as (a/b)*(d/c) 

Try this, it will help to simplify :)

mathstudent55 · Answer

To divide a fraction, multiply the first fraction by the reciprocal of the second fraction. The reciprocal is simply flippipg the fraction.

mathstudent55 · Answer

$\dfrac{3x + 12}{4x - 18} \div \dfrac{x+ 4}{x - 3} $

$ =\dfrac{3x + 12}{4x - 18} \times \dfrac{x - 3}{x+ 4} $

Ok?

mathstudent55 · Answer

My suggestion now is to look closely at the numerator and denominator of the left fraction. 
Can you factor a common factor out of the numerator?
Can you factor a common factor out of the denominator?

anonymous · Answer

yes

whpalmer4 · Answer

Do so :-)