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Kaynard's first step in solving this rational equation is to simplify it by multiplying both sides by a common denominator. Which is the simplest expression he can use to do this?

Kaynards first step in solving this rational equation is to simplify it by multiplying both sides by a common denominator Which is the simplest expression he ca class=

Respuesta :

choixongdong

x^2 - 9 = (x + 3)(x -3)

3x - 9 = 3(x - 3)

and

6

Common denominator would be 6(x+3)(x - 3)

Answer: 6(x+3)(x - 3)