jiaxuanno
jiaxuanno
24-07-2022
Mathematics
contestada
Simplify (9y²-x² )÷ (xy+3y²)
Respuesta :
MisterBrian
MisterBrian
24-07-2022
Step-by-step explanation:
[tex] \cfrac{(9y²-x² )}{ (xy+3y²)}[/tex]
[tex] \cfrac{3 {}^{2} (y) {}^{2} - x}{3(y {})^{2} + xy } [/tex]
[tex]3 {}^{2 - 1} y {}^{2 - 2 - 1} - x {}^{2 - 1} [/tex]
[tex]3 y { }^{ - 1} - x[/tex]
[tex] \cfrac{3}{y} - x[/tex]
Therefore,the answer is [tex] \cfrac{3}{y} - x[/tex].
[Some of the steps I didn't show,try by yourself,to find!]
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