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allochka39001 [22]
2 years ago
10

Simplify (9y²-x² )÷ (xy+3y²)

Mathematics
1 answer:
alexdok [17]2 years ago
6 0

Step-by-step explanation:

  • \cfrac{(9y²-x² )}{ (xy+3y²)}
  • \cfrac{3 {}^{2} (y) {}^{2}  - x}{3(y {})^{2} + xy }
  • 3 {}^{2 - 1} y {}^{2 - 2 - 1}  - x {}^{2 - 1}
  • 3 y  { }^{ - 1}  - x

  • \cfrac{3}{y}  - x

Therefore,the answer is \cfrac{3}{y}  - x.

  • [Some of the steps I didn't show,try by yourself,to find!]
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