Вопрос школьника по предмету Алгебра
Решите уравнеия: 5) -6x²+7x+5=0 6)100x²+33x-133=0
7)90x²-45x-135=0
8)x²+x-3=0
9)(x+1)²=3(x+7)
10)1,6x²=0,1x
Ответ учителя по предмету Алгебра
Только первое успела.
Решите уравнеия: 5) -6x²+7x+5=0 6)100x²+33x-133=0
7)90x²-45x-135=0
8)x²+x-3=0
9)(x+1)²=3(x+7)
10)1,6x²=0,1x
Только первое успела.
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