Предмет: Алгебра, автор: kazuko00

Упростите выражение : 4а(а-5)-(а+3)^2

Ответы

Автор ответа: Universalka
0
4a(a - 5) - (a + 3)² = 4a² - 20a - a² - 6a - 9 = 3a² - 26a - 9
Автор ответа: Nazikou
0
4a^2-20a-(a^2+6a+9)=4a^2-20a-a^2-6a-9=3x^2-26x-9
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