Multiply as indicated. Be sure to reduce your answer to lowest terms.

Question

anonymous · Answer

$$\frac{ 30x^3+35x^2-100x }{ 21x^2-25x-4 } * \frac{ 28x^2-17x-3 }{ 32x^3+56x^2-60x }$$

anonymous · Answer

@campbell_st , I know the first denominator is: 5x(6x^2+7x-20).

yttrium · Answer

can i?

campbell_st · Answer

well you need to factor the quadratic as well so the 1st numerator is 

5x(2x +5)(3x - 4)

the denominator for that fraction is 

(3x -4)(7x + 1) 

in the 2nd fraction the numerator is 

(4x -3)(7x + 1)

and the denominator is 

4x(2x +5)(4x -3)


now I'll let you cancel the common factors and work out what's left

anonymous · Answer

Ok, question, for the 5x(2x+5) & 4x(2x+5) do the (2x+5) just cancel or it can't cuz the numbers in front aren't the same?

anonymous · Answer

@ganeshie8 @Hero

anonymous · Answer

yaaaaaay ! i got it ! @ganeshie8