Answer :

wegnerkolmp2741o

Answer:

-40 x^8

Step-by-step explanation:

-5x*8x^7

We know that a^b * a^c = a^(b+c)

-5 *8  * (x*x^7)

-40  *(x^1 * x^7)

-40  x^(1+7)

-40 x^8

amna04352

Answer:

-40x⁸

Step-by-step explanation:

-5x × 8x⁷

(-5 × 8) × (x × x⁷)

-40 × x⁸

-40x⁸

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