algebra 2

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write the general form of
(x-1) (x-1)=

  • algebra 2 -

    Use a number with exponents.

    4(x-1)^2 - 8

    You must multiply the 4 by each term in the parentheses, not just the first one.

    4(2+6) = 4*2 + 4*6 = 8+24 = 32
    4(2+6) = 4*2+6 = 8+6 = 14

    after all, 2+6=8, and 4*8 = 32

  • algebra 2 -

    f(x) = 4(x-1)^2 - 8
    = 4(x^2 - 2x + 1) - 8
    = 4x^2 - 8x + 4 - 8
    = 4x^2 - 8x - 4

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