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

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Kopiert til utklippstavle

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

Hvis du vil legge til eller trekke fra uttrykk, kan du utvide dem for å gjøre nevnerne like. Multipliser 2 ganger \frac{\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}}.

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

Siden \frac{-2}{\left(2x-1\right)^{2}} og \frac{2\left(2x-1\right)^{2}}{\left(2x-1\right)^{2}} har samme nevner, kan du subtrahere dem ved å subtrahere tellerne.

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

Utfør multiplikasjonene i -2-2\left(2x-1\right)^{2}.

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

Kombiner like ledd i -2-8x^{2}+8x-2.

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

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