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662233444111222434л
@662233444111222434л
November 2021
1
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Подалуйста упростите
А
(X+2)^2-(x-1)(x+5)
Б
(m-n)(m+n)(m^2 + n^2)(m^4+n^4)
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Answers & Comments
krugly1981
1) x^2 + 4x + 4 - ( x^2 + 4x - 5) = x^2 + 4x + 4 - x^2 - 4x + 5 = 9
2) ( m^2 - n^2)(m^2 + n^2)(m^4 +n^4) = ( m^4 - n^4)(m^4 + n^4) =
= m^8 - n^8
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662233444111222434л
это точно
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Answers & Comments
2) ( m^2 - n^2)(m^2 + n^2)(m^4 +n^4) = ( m^4 - n^4)(m^4 + n^4) =
= m^8 - n^8