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8 October, 18:52

Write the equation in standard form for the circle x² + y² + 14x - 15 = 0.

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  1. 8 October, 18:54
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    (x + 7) ² + y² = 64

    Step-by-step explanation:

    x² + y² + 14x - 15 = 0 - ->

    (x+7) ² - 49 + y² - 15 = 0 - ->

    (x + 7) ² + y² - 64 = 0 - ->

    (x + 7) ² + y² = 64
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