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8 September, 19:23

Y 2 + 5y Choose the constant term that completes the perfect square trinomial.

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  1. 8 September, 22:27
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    Given: y²+5y

    Converting y²+5y in the form: x²+2ax+a²

    Here 2a=5 or a=5/2

    Add and subtract (5/2) ²

    y²+5y + (5/2) ² - (5/2) ²

    Complete the square.

    (y+5/2) ² - (5/2) ²

    Simplify

    (y+5/2) ² - 25/4

    Answer: (y+5/2) ² - 25/4
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