Ответы на вопрос:
3y^2 + 4y = 0 y * ( 3y + 4 ) = 0 ============ y = 0 3y + 4 = 0 3y = ( - 4 ) y = ( - 4/3 ) = ( - 1 1/3 ) ========== ответ 0 и ( - 1 1/3 ) ================= a^2 + 11a + 24 d = 121 - 4*1*24 = 121 - 96 = 25 v d = 5 a1 = ( - 11 + 5 ) : 2 = ( - 3 ) a2 = ( - 8 ) ============= a^2 + 11a + 24 = ( a + 3) * ( a + 8 ) ===============
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