Предмет: Алгебра, автор: anna2007lbvf

1. разложите на множители: (5а + 3)^2 = 16

Ответы

Автор ответа: chirkaw

1

$(5a + 3) {}^{2} = 16 \\ 25a {}^{2} + 30a + 9 - 16 = 0 \\ 25 {a}^{2} + 30a - 7 = 0$

anna2007lbvf: большое спасибо

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