Please help me out!!!!!

1 answer:

4 0

Step-by-step explanation:

x³ - 4x² - 25x + 100k

= x²(x - 4) - 25(x - 4k)

= (x² - 25)(x - 4k)

= (x + 5)(x - 5)(x - 4k)

Hence the other 2 zeroes are x = -5 or x = 5.

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