How do you simplify ${(p - 1)}^{2}$ $(p-1)^2$ ?

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Feb 4, 2015

We use the general formula ${(a + b)}^{2} = a^{2} + 2 a b + b^{2}$ $(a+b)^2 = a^2+2ab+b^2$ , so ${(p - 1)}^{2} = p^{2} - 2 p + 1$ $(p-1)^2 = p^2-2p+1$

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How do you simplify ${(p - 1)}^{2}$ $(p-1)^2$ ?

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