Нужную форму вставте they study these animals instead of killing them. beauty blue whales are not to people. danger the blue whale is an endangered animal, nowadays, people protect whales. fortunate it’s but these huge whales eat plankton – small plants and animals. believable what is the largest animal on the planet? my uncle says that it’s the blue whale. he is a and knows a lot about them. science it was getting dark when laura got to her sister’s place. the entrance door lock betty was seven years than laura, but she was much better at housekeeping. young laura pressed the doorbell and quick footsteps. “it’s so nice of you to come,’ laura’s sister betty opened the door. hear “come in. we a meat pie into the oven. i think it’ll be ready in forty minutes or so. you aren’t very hungry, are you? ” put they nodded and went on talking. “where’s ken? ” asked laura. “he his car in the garage,” laura said. repair “he us soon.” join when laura entered the house, she saw four in the sitting room. woman
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Ответы на вопрос:
They study these beautiful animals instead of killing them. blue whales are not dangerous to people. the blue whale is an endangered animal, nowadays, people protect whales,fortunately. it’s unbelievable but these huge whales eat plankton – small plants and animals. what is the largest animal on the planet? my uncle says that it’s the blue whale. he is a scientist and knows a lot about them. it was getting dark when laura got to her sister’s place. the entrance door was locked. betty was seven years younger than laura, but she was much better at housekeeping. laura pressed the doorbell and heard quick footsteps. “it’s so nice of you to come,’ laura’s sister betty opened the door. “come in. we have just put a meat pie into the oven. i think it’ll be ready in forty minutes or so. you aren’t very hungry, are you? ” they nodded and went on talking. “where’s ken? ” asked laura. “he is repairing his car in the garage,” laura said. “he will join us soon.” when laura entered the house, she saw four women in the sitting room.
x² - 2x - 4 = 0
x₁ = 4; x₂ = -2
корені шуканого квадратного рівняння:
x₁' = x₁ + 4 = 4 + 4 = 8; x₂' = x₂ + 4 = -2 + 4 = 2
за т. вієта: р = -(x₁' + x₂') = -(8 + 2) = -10; q = x₁' · x₂' = 8 · 2 = 16.
отже, х² - 10х + 16 = 0 - шукане рівняння.
відповідь: х² - 10х + 16 = 0.
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