Risolvi 5z^2-29z-42/z-8*z^2-17z+72/z-7

Calcola

Espandi

Quiz

Polynomial

5 problemi simili a:

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Copiato negli Appunti

\frac{\left(5z^{2}-29z-42\right)\left(z^{2}-17z+72\right)}{\left(z-8\right)\left(z-7\right)}

Moltiplica \frac{5z^{2}-29z-42}{z-8} per \frac{z^{2}-17z+72}{z-7} moltiplicando il numeratore per il numeratore e il denominatore per il denominatore.

\frac{\left(z-9\right)\left(z-8\right)\left(z-7\right)\left(5z+6\right)}{\left(z-8\right)\left(z-7\right)}

Scomponi in fattori le espressioni che non sono già scomposte.

\left(z-9\right)\left(5z+6\right)

Cancella \left(z-8\right)\left(z-7\right) nel numeratore e nel denominatore.

5z^{2}-39z-54

Espandi l'espressione.