152k views
2 votes
3h/h^2-12h+36 -18/h^2-12h+36

User Elrond
by
7.8k points

2 Answers

0 votes
The equation: 3h/h^2-12h+36 -18/h^2-12h+36 have the same denominator, we will just subtract the numerators
3h/h^2-12h+36- 18/h^2-12h+36=3h-18/h^2-12h+36
Let us factor the common termsx(h-6)/h^2-12h+36= 3(h-6)/(h-6)^2
So since h-6 are similar, we can cancel the numerator and cancel 1 term in the denominatorso,3(h-6)/(h-6)^2=3/h-6
SO the answer of 3h/h^2-12h+36 -18/h^2-12h+36 is 3/h-6
User Koffiman
by
7.8k points
1 vote
Since both fractions have the same denominator, we just need to subtract the numerators:

(3h)/(h^2-12h+36) - (18)/(h^2-12h+36) = (3h-18)/(h^2-12h+36)

Notice that we have a common factor, 3, in the numerator, so lets factor that out:

(3h-18)/(h^2-12h+36)= (3(h-6))/(h^2-12h+36)

Next, we can factor the denominator:

(3(h-6))/(h^2-12h+36) = (3(h-6))/((h-6)^2)

Now we can cancel the common factor
h-6 in both numerator and denominator:

(3(h-6))/((h-6)^2)= (3)/(h-6)

We can conclude that the result of 3h/h^2-12h+36 -18/h^2-12h+36 is:
(3)/(h-6)
User Maverick Meerkat
by
8.1k points