ok mulitiply and simplify the rational expressions i do not get this one 18 over x^3 times 5x^2 over 6 i am having problems

Question

anonymous · Answer

$$18/(x^3) \times (5x^2)/6$$

Recall that when you multiply fractions you multiply the numerators(tops) together and the denominators(bottoms) together:

$$= \frac{ (18)(5x^2) }{ (x^3)(6) }$$

Does that help?

anonymous · Answer

not really i get that part i am just having problems stying to solve it

anonymous · Answer

So the next step is to multiply the coefficients:

$$= \frac{ 90x^2 }{ 6x^3 }$$

(Since 90 is 18 times 5)

Do you see how I did that?

anonymous · Answer

Note that you can't actually solve for x, because this is only an expression(one side of an equation). You are trying to simplify the fraction.

anonymous · Answer

yes i get it not thsnk you

anonymous · Answer

But you're not quite done. You can still simplify it further.

Do you see how?

anonymous · Answer

yes 6 goes into the 90 15 times so the answer would be 15 x 
is that right

anonymous · Answer

90/6 is 15 yes.
but x^2 / x^3 is 1/x

So your final answer is 15/x

anonymous · Answer

when you divide powers with the same base(in this case x) you subtract exponents