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elena-14-01-66 [18.8K]

3 years ago

13

Factor 3x2 - 15x - 42.

1 answer:

11Alexandr11 [23.1K]3 years ago

8 0

3 x^{2} - 15x - 42
(x-7)(x+2)
x-7=0 x+2=0
x=7,-2

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