Вопрос школьника по предмету Алгебра
Построить график функции y=2x;y=x-2;y=3;y=3x-4x
Ответ учителя по предмету Алгебра
перемножить первую и четвертую скобки, вторую и третью (х^2 — 7x+ 10)(х^2 — 7x+ 12) = 24, затем замена переменной
(х^2 — 7x+ 10) = у, получится квадратное уравнение у* ( у + 2 ) =24
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