Ответ:
5a^2-2 = 5a^2-2
Объяснение:
-2a^3 +3a^2 - 2a + 1 + 2a^2 - 5a - 3 + 2a^3 + 7a = 5a^2-2
5a^2 - 7a + 7a - 2 = 5a^2 - 2
5a^2 - 0 + 2 = 5a^2 - 2
5a^2 - 2 = 5a^2 - 2
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Ответ:
5a^2-2 = 5a^2-2
Объяснение:
-2a^3 +3a^2 - 2a + 1 + 2a^2 - 5a - 3 + 2a^3 + 7a = 5a^2-2
5a^2 - 7a + 7a - 2 = 5a^2 - 2
5a^2 - 0 + 2 = 5a^2 - 2
5a^2 - 2 = 5a^2 - 2