math

Which shows a perfect square trinomial?

50 y squared minus 4 x squared
100 minus 36 x squared y squared
16 x squared + 24 x y + 9 y squared
49 x squared minus 70 x y + 10 y squared

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  1. 16 x squared + 24 x y + 9 y squared if you meant
    16x^2 + 24xy + 9y^2

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    👤
    bobpursley
  2. What is the product?

    negative 9 x (5 minus 2x)

    18 x squared minus 45 x
    negative 18 x squared minus 45 x
    negative 18 x minus 45 x
    18 x minus 45 x

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