Question

Como que resolve 3x+3y
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x²-y²

Answer 1

$\dfrac{3x + 3y}{x^2 - y^2} \\ \\ \\ Fatorar ~ os ~ termos \\ \\ \\ \dfrac{3.(x + y)}{(x - y).(x + y)} \\ \\ \\ Corta ~ (x + y) ~ com~ (x + y) \\ \\ \\ =\ \textgreater \ \dfrac{3}{x - y}$