Resolver f(x)=-2/(2x-1)^2-2 | Microsoft Math Solver

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Copiado para a área de transferência

\frac{-2}{\left(2x-1\right)^{2}}-\frac{2\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}}

Para adicionar ou subtrair expressões, expanda-as para que os denominadores sejam iguais. Multiplique 2 vezes \frac{\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}}.

\frac{-2-2\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}}

Uma vez que \frac{-2}{\left(2x-1\right)^{2}} e \frac{2\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}} têm o mesmo denominador, subtraia-os ao subtrair os respetivos numeradores.

\frac{-2-8x^{2}+8x-2}{\left(2x-1\right)^{2}}

Efetue as multiplicações em -2-2\left(2x-1\right)^{2}.

\frac{-4-8x^{2}+8x}{\left(2x-1\right)^{2}}

Combine termos semelhantes em -2-8x^{2}+8x-2.

\frac{-4-8x^{2}+8x}{4x^{2}-4x+1}

Expanda \left(2x-1\right)^{2}.