Simplify the expression
$$\frac{7}{x+2}-\frac{3x}{(x+2)^2}-\frac{5}{x}$$

Question

Simplify the expression
$$\frac{7}{x+2}-\frac{3x}{(x+2)^2}-\frac{5}{x}$$

anonymous · Answer

first take lcm of denominators

anonymous · Answer

$$\frac{7x(x + 2) - 3x.x - 5(x+2)^2}{x(x+2)^2}$$

Solve it now??

anonymous · Answer

Use this also in solving:

$$(a + b)^2 = a^2 + b^2 + 2ab$$

anonymous · Answer

I got the same thing so far @waterineyes

anonymous · Answer

But the book has $$\frac{5x^2-6x-20}{x(x+2)^2}$$ and I got $$\frac{-x^2-6x-20}{x(x+2)^2}$$

anonymous · Answer

Can you scan and attach the book page where this question is??

anonymous · Answer

The book has a mistake there will come + instead of - in front of second term..

anonymous · Answer

I see what I did... it's suppose to be:

$$\frac{7}{x+2}+\frac{3x}{(x+2)^2}-\frac{5}{x}$$

anonymous · Answer

Yes this will lead to your answer...

anonymous · Answer

Welcome dear..

anonymous · Answer

Haha, yeah. Thanks @waterineyes!!! and @problemsolver!!!