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kristinataraso
@kristinataraso
July 2022
1
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помогите чем сможете,заранее спасибо♥
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Juliaa21
1.
а)4z²-20z
б)12x²y+3x²y²
2.
a)4a²-4a+1
б)4x^4+8x²z²+4z^4
3.
x²+3x²-2x²+(x+1)(x²+2x+1)=x²+3x²-2x²+x³+2x²+x+x²+2x+1=5x²+x³+3x+1
при а=2
20+8+6+1=35
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Answers & Comments
а)4z²-20z
б)12x²y+3x²y²
2.
a)4a²-4a+1
б)4x^4+8x²z²+4z^4
3.
x²+3x²-2x²+(x+1)(x²+2x+1)=x²+3x²-2x²+x³+2x²+x+x²+2x+1=5x²+x³+3x+1
при а=2
20+8+6+1=35