3 years ago

Factor completely 5x2 – 50x + 120

1 answer:

5 0

The answer is 5(x - 4)(x - 6)

5x² – 50x + 120 = 5*x² - 5*10x + 5*24
= 5(x² - 10x + 24)
= 5(x * x - 4x - 6x + 6*4)
= 5(x(x - 4) - (6x - 6*4))
= 5((x(x - 4) - 6(x - 4))
= 5(x - 4)(x - 6)

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