Ответ:
1.5x^2+6x-3-2x^2+3x+4=7x^2+9x-1
2.3x(x^3-4x+6)=3x^4-12x^2+18x
3.4m(3+5m)-10m(6=2m)=12m+20m^2-60m-20m^2=-48m
m=-48*(-0,2)=9,6
4.5a^2-20ab=5a(a-4b)
5.7x^3-14x^5=7x^3(1-2x^2)
6.6a^22b^2-8a^22b+12ab^2=2ab(3ab-4a+6b)
7.3a-3b+ax-bx=(3a+3b)+(ax-bx)=3(a-b)+x(a-b)=(3+x)*(a-b)^2
8.(a+b)+3a+3b=(a+b)+3(a+b)=(1+4)*(a+b)^3=4*(a+b)^3
9.x^8+4x^5+x^3-4=(x^8-x^3)+(4x^5-4)=x^3(x^5-1)+4(x^5-1)=(x^3+4)*(x^5-1)^2
10.18xy+6x-24-8=(18xy+6x)-(24+8)=6x(3y+1)-8(3y+1)=(6x-8)*(3y+1)^2
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Answers & Comments
Ответ:
1.5x^2+6x-3-2x^2+3x+4=7x^2+9x-1
2.3x(x^3-4x+6)=3x^4-12x^2+18x
3.4m(3+5m)-10m(6=2m)=12m+20m^2-60m-20m^2=-48m
m=-48*(-0,2)=9,6
4.5a^2-20ab=5a(a-4b)
5.7x^3-14x^5=7x^3(1-2x^2)
6.6a^22b^2-8a^22b+12ab^2=2ab(3ab-4a+6b)
7.3a-3b+ax-bx=(3a+3b)+(ax-bx)=3(a-b)+x(a-b)=(3+x)*(a-b)^2
8.(a+b)+3a+3b=(a+b)+3(a+b)=(1+4)*(a+b)^3=4*(a+b)^3
9.x^8+4x^5+x^3-4=(x^8-x^3)+(4x^5-4)=x^3(x^5-1)+4(x^5-1)=(x^3+4)*(x^5-1)^2
10.18xy+6x-24-8=(18xy+6x)-(24+8)=6x(3y+1)-8(3y+1)=(6x-8)*(3y+1)^2