SOLUTION: Please help me understand how to do this..
Perform the indicated operations and simplify the following expression:
2z-1/z^2+z-6 - 3z-5/z^2-2z-15 + 2z-3/z^2-7z+10
Algebra ->
Polynomials-and-rational-expressions
-> SOLUTION: Please help me understand how to do this..
Perform the indicated operations and simplify the following expression:
2z-1/z^2+z-6 - 3z-5/z^2-2z-15 + 2z-3/z^2-7z+10
Log On
Question 631776: Please help me understand how to do this..
Perform the indicated operations and simplify the following expression:
2z-1/z^2+z-6 - 3z-5/z^2-2z-15 + 2z-3/z^2-7z+10 Answer by ewatrrr(24785) (Show Source):
Hi,
much like one like this 1st step is to find the Lowest Common Denominator
Exploring the Denominators and factoring them:
(z^2+z-6) ⇒ (z+3)(z-2)
(z^2-2z-15) ⇒ (z-5)(z+3)
(z^2-7z+10) ⇒ (z-5)(z-2)
LCD is (z+3)(z-2)(z-5)
Simplify the Numerator and Your done.
