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а. a²+4. 2
______. - _______. - _______
2a-4. 2a²-8. a²+2a
a a²+4 2 a*a*(a+2)-a³-4a -2*2(a-2) a ³+2a²-a³-4a-4a+8
___ - __________ - _______ = ______________________= ________________=
2(a-2) 2(a-2)*(a+2) a(a+2) 2a(a-2)(a+2) 2a(a-2)(a+2)
2a²-8a+8 2 (a²-4a+4) (a-2)² a-2
________________= ______________=______ ====_______
2a(a-2)(a+2) 2a(a-2)(a+2) a(a-2)(a+2) a(a+2)
______. - _______. - _______ =
2(a-2). 2(a-2)(а+2). a(а+2)
а.*а(а+2) (a²+4.)а 2(а-2)
2а(a-2)(а+2). 2а a-2)(а+2). 2 a(а+2)(а-2)
а^3+2a^2-a^3-4a-4a+8 = 2a^2-8a+8 =
2 a(а+2)(а-2) 2 a(а+2)(а-2)
2(a^2-4a+4)
2 a(а+2)(а-2) =(a-2)^2
a(a+2)(a-2)
=a-2
a(a+2)
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Answers & Comments
a a²+4 2 a*a*(a+2)-a³-4a -2*2(a-2) a ³+2a²-a³-4a-4a+8
___ - __________ - _______ = ______________________= ________________=
2(a-2) 2(a-2)*(a+2) a(a+2) 2a(a-2)(a+2) 2a(a-2)(a+2)
2a²-8a+8 2 (a²-4a+4) (a-2)² a-2
________________= ______________=______ ====_______
2a(a-2)(a+2) 2a(a-2)(a+2) a(a-2)(a+2) a(a+2)
а. a²+4. 2
______. - _______. - _______ =
2a-4. 2a²-8. a²+2a
а. a²+4. 2
______. - _______. - _______ =
2(a-2). 2(a-2)(а+2). a(а+2)
а.*а(а+2) (a²+4.)а 2(а-2)
______. - _______. - _______ =
2а(a-2)(а+2). 2а a-2)(а+2). 2 a(а+2)(а-2)
а^3+2a^2-a^3-4a-4a+8 = 2a^2-8a+8 =
2 a(а+2)(а-2) 2 a(а+2)(а-2)
2(a^2-4a+4)
2 a(а+2)(а-2) =(a-2)^2
a(a+2)(a-2)
=a-2
a(a+2)