Автор - mackabramoff2016

очень срочно нужно сделать.

Ответ

Автор - ChiStS

№1

а)

(x-1)^{2} +(2x+1)^{2} \x^{2} -2x+1+4x^{2} +4x+1\5x^{2} +2x+2

б)

(3-4y)(4y+3)\(3-4y)(3+4y)\9-16y^{2}

в)

(3-a)(9+3a-a^{2} )\3^{3} -a^{3} \27-a^{3}

г)

(2a+1)^{3} \(2a)^{3}+3(2a)^{2} *1+3*2a*1^{2} +1^{3} \8a^{3} +3*4a^{2} *1+3*2a*1+1\8a^{3}+12a^{2}+6a+1

№2

а)

25a^{2}-10a+1\ 5^{2}a^{2}-2*5a*1+1^{2}\(5a)^{2}-2*5a*1+1^{2}\(5a-1)^{2}

б)

64x^{2} -9y^{2}\(8x)^{2} -(3y)^{2} \(8x-3y)(8x+3y)

в)

64x^{3} -27y^{3} \(4x)^{3} -(3y)^{3} \(4x-3y)(16x^{2} +12xy+9y^{2})

г)

b^{5}-b^{3}+b^{2}-1\b^{3}(b^{2}-1)+b^{2}-1\(b^{2}-1)(b^{3}+1)\(b-1)(b+1)^{2}(b^{2}-b+1)

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