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mafiozo [28]
3 years ago
12

Do the indicated operations, express your answers in lowest terms

Mathematics
1 answer:
likoan [24]3 years ago
8 0

Answer:

\frac{2}{x-y}}

Step-by-step explanation:

This equation may look difficult, but let's take it step by step. We are given the equation \frac{3x+3y}{x^{2}-y^{2} } -\frac{1}{x-y}.

We can simplify this to \frac{3x+3y}{(x-y)(x+y)} -\frac{1}{x-y} through the difference of two squares formula. Now, we need to make the denominators the same, so:

\frac{3x+3y}{(x-y)(x+y)} -\frac{(x+y)}{(x-y)(x+y)}

We can finally combine the fractions since they have the same denominator:\frac{3x+3y - (x +y)}{(x-y)(x+y)}}

We distribute the negative:  \frac{3x+3y - x-y}{(x-y)(x+y)}}

From here, we combine like terms: \frac{2x+2y}{(x-y)(x+y)}}

There's still one more step, we can factor out a two from the numerator: \frac{2(x+y)}{(x-y)(x+y)}} so that we can cancel out the term (x+y).

We are left with \frac{2}{x-y}}

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