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10 November, 14:56

Find the zeros pf f (x) = (x-3) squared-49

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  1. 10 November, 15:03
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    This is an example of difference of two squares, because 49 is a squared number. Thus, you can write it in the form, (a + b) (a - b).

    Thus, [ (x - 3) + 7][ (x - 3) - 7] = 0

    (x + 4) (x - 10) = 0

    And the zeros are at: x = - 4, 10
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