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3 years ago

Multiply and simplify x-1/ x^2+2x+1 x x^2-1/ x+1

Mathematics

1 answer:

notsponge [240]3 years ago

7 0

$\dfrac{x-1}{x^2+2x+1}\cdot\dfrac{x^2-1}{x+1}\\\\=\dfrac{(x-1)(x-1)(x+1)}{(x+1)^2(x+1)}\\\\=\dfrac{x^2-2x+1}{x^2+2x+1}$

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