Simplify \(\frac{4}{x+1}-\frac{3}{x-1}\)
a
\(\frac{x+7}{x^2 - 1}\)
b
\(\frac{x-7}{x^2 + 1}\)
c
\(\frac{x-7}{x^2 - 1}\)
d
\(\frac{x-11}{x^2 - 1}\)
Explanation
Correct Option
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RiverHeights
2 years ago
4/X+1 - 3/X - 1
To multiply the bases
4 will get multiplied by (X -1)
3 will get multiplied by (X + 1)
4X - 4 - 3X + 3/ (X + 1) (X - 1)
X - 1/(X + 1) (X - 1)
= 1/X + 1
