Question

Can you solve this rational expression?

8 over 3t-4 subtracted by 6t over 3t-4?
20 points!

Answer 1

-2

Explanation:

(8/3t-4) - (6t/3t-4)

Denominators equal, combine fractions:

8-6t/3t-4

Factor 8-6t: 2(4-3t)

2(4-3t)/3t-4

Cancel the numbers and you are left with -2

Hope this helped!

Answer 2

2

Explanation:

6t 8

--------- - -----------

3t -4 3t -4

Since the denominators are the same we can subtract the numerators

6t-8

-----------

3t-4

Factor out a 2 from the numerator

2(3t-4)

-------------

3t-4

The 3t-4 cancel from the numerator and denominator

2