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16 February, 20:22

A perfect square trinomial can be represented by a square model with equivalent length and width. Which polynomial can be represented by a perfect square model?

x2 - 6x + 9

x2 - 2x + 4

x2 + 5x + 10

x2 + 4x + 16

+3
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  1. 16 February, 20:50
    0
    The answer

    x²-6x+9 = x²-2.3. x+3², we know that (a-b) ²=a² - 2. a. b+b²

    so x²-6x+9 = (x-3) ² = (x-3) (x-3)
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