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24 January, 01:13

Solve the system by substitution

X=3

-3x^2+4x-8=y

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Answers (1)
  1. 24 January, 01:17
    0
    -23

    Step-by-step explanation:

    -3x^2+4x-8=y

    -3 (3) ^2+4 (3) - 8=y

    -3 (9) + 12-8=y

    -27+12-8

    -27+4=-23
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