Originally Posted by

**econolondon** Hi

There's an algebra problem I've been working on - I've got as far as I can. My tutor says my answer is correct but can be simplified down to his answer - but I can't see how. If anyone can explain the steps on how to simplify to the answer I'd be really grateful!

My answer:

(x+3)x^2(2) - (2x+7)[(x+3)2x + x^2]

/

[(x+3)x^2]^2

{(x+3)x^2(2) - (2x+7)[(x+3)2x + x^2]} / [(x+3)x^2]^2

My tutor's simplified answer:

-6x^3 -12x^2 - 13x -42

/

(x+3)^2 x^3

(-6x^3 -12x^2 - 13x -42)/[(x+3)^2 x^3]