Question

упростите выражение (а-1)^2-(a+2)

Answer 1

I hope this helps you

Answer 2

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Answer 3

hi:)

Answer 4

${(a - 1)}^{2} - (a + 2) = \ = {a}^{2} - 2a + 1 - a - 2 = \ = {a}^{2} - 3a - 1$