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zallochka2001
@zallochka2001
July 2022
1
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срочно!!!! номер 24.54 пожалуйста
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hlopushinairina
А)(3x²+4)²+(3x²-4)²-2(3x²+4)(3x²-4)=9x⁴+24x²+16+9x⁴-24x²+16-18x⁴+32=
=64;
б)p(p-2c)(p+2c)-(p-c)(p²+pc+c²)=p³-4pc²-p³+c³=c²(c-4p);
в)(4a³+5)²+(4a³-1)²+2(4a³+5)(4a³-1)=(4a³+5+4a³-1)²=8a³+4=4(2a³+1);
г)m(2m-1)²-2(m+1)(m²-m+1)=2m³-4m²+m-2m³-2=-4m²+m-2
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zallochka2001
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Answers & Comments
=64;
б)p(p-2c)(p+2c)-(p-c)(p²+pc+c²)=p³-4pc²-p³+c³=c²(c-4p);
в)(4a³+5)²+(4a³-1)²+2(4a³+5)(4a³-1)=(4a³+5+4a³-1)²=8a³+4=4(2a³+1);
г)m(2m-1)²-2(m+1)(m²-m+1)=2m³-4m²+m-2m³-2=-4m²+m-2