Sols the system 2x+y = 1 y = -2x^2+3x+1​

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Sols the system 2x+y = 1 y = -2x^2+3x+1​

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Kim Chi 4 months 2021-07-24T15:26:32+00:00 1 Answers 11 views 0

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    2021-07-24T15:27:42+00:00

    Answer:y=(-2x+1) (x+1)

    Step-by-step explanation:

    2x+y=-2x^2 +3x+1

    y=-2x^2+x+1

    y=-2x^2 -2x+x+1

    y=-2x(x+1) +1(x+1)

    y=(-2x+1) (x+1)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )