Question

5х*(х³-4х+6)
помогите решить
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Answer 1

Ответ:

$5x \times ( {x}^{3} - 4x +6) = 5x \times {x}^{3} + 5x \times ( - 4x) + 5x \times 6 = 5 {x}^{4} - 20 {x}^{2} + 30x$