Question

Simplify (9y²-x² )÷ (xy+3y²)

Answer 1

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!]