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mart [117]
3 years ago
9

How to solve this problem im not getting a good answer

Mathematics
2 answers:
Margaret [11]3 years ago
8 0
     1) rewrite x^2-9 in the form a^2-b^2, where a=x and b=3.
4 over x+3 + 3 over x^2-3^2
 
     2)Use difference of squares
4 over x+3 + 3 over (x+3)(x-3)
 
     3) Cross multiply
4(x-3)+3 over (x+3)(x-3)
 
     4) Expand
4x-12+3 over (x+3)(x-3)
 
     5) <span>Simplify </span><span>4x-12+3<span>4x−12+3</span></span><span> to </span><span>4x-9<span>4x−<span>9
</span></span></span>4x-9 over (x+3)(x-3)



kow [346]3 years ago
7 0
Well, you have to simplify the bottom part to be able to answer it as a whole number. Hope this helps. 
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