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Luchi8115
05.06.2020 •
Mathematics
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Ответ:
6x^4 – 5x^2 + 12x^2 – 10 = 0
We group the first two terms and the last two terms.
(6x^4 – 5x^2) + (12x^2 – 10) =0
For the first group we factor out x^2 and in the second term we factor out 2.
x^2(6x^2 – 5) + 2(6x^2 – 5) =0
We factor out 6x^2 - 5.
(6x^2 -5) (x^2 +2 ) = 0
Therefore the correct answer is the last option.