mathrational equations
posted by Kay on .
how do I solve 5/x3+3/x+3=7x/x^29
please explain in detail, I am having trouble once I get to the part where I need to simplify. I have so far the LCD is x^29
then the equation changes to (x^29) 5/x3+(x^29) 3/x+3=(x^29) 7x/x^29
or (x+3)*5(x3)*3=7x after this I'm stuck. Thank you in advance.

multiply both sides by (x^29) which is (x+3)(x3)
5 (x+3)(x3)/(x3) +3 (x+3)(x3)/(x+3) = 7x
5(x+3) + 3(x3) = 7x
Now that is
5x+15+3x9 =7x
8x+6 = 7x
x+6=0
x=6