Решите уравнение: 1) (7y² + 6y - 9) - (2x² - 2y + 10) 2) -2x(3x⁴ + 2x - 7) 3) (2a - z)*(3a+32). Created by TRESAD12. algebra-ru

Решите уравнение: 1) (7y² + 6y - 9) - (2x² - 2y + 10) 2) -2x(3x⁴ + 2x

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Решите уравнение:
1) (7y² + 6y - 9) - (2x² - 2y + 10)
2) -2x(3x⁴ + 2x - 7)
3) (2a - z)*(3a+32)

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irreversibility

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(7у²+6у-9)-(2х²-2у+10)=7у²+6у-9-2х²+2у-10=7у²+8у-19-2х².
-2x(3x⁴+2x-7)=2х·3х⁴+2х·2х-2х·7=6х^5+4x²-14x
(2а-z)(3а+32)=2a·3a+2a·32-z·3a-z·32=6a²+64a-3az-32z

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Answers & Comments

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