Question

Simplify
$(3p - 1) {}^{2} - (3p - 2)(3p + 1)$
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Answer 1

Answer:

$-3p+3$

Step-by-step explanation:

$(3p-1)^2-(3p-2)(3p+1)\\\\=9p^2-6p+1-(9p^2+3p-6p-2)\\\\=9p^2-6p+1-9p^2+3p+2\\\\=-3p+3$