Ответ:
0,4а²*(а+1)²
Объяснение:
0,8а³+0,4а²+0,4а⁴=0,4а²(2а+1+а²)=
=0,4а²(а²+2а+1)=0,4а²*(а+1)²
[tex]\displaystyle 0,8a^3+0,4a^2+0,4a^4=\frac{4}{5}a^3+\frac{2}{5}a^2+\frac{2}{5}a^4=\frac{2}{5}a^2(2a+1+a^2)=\frac{2}{5}a^2(a^2+2a+1)=\\\frac{2}{5}a^2(a+1)^2=0,4a^2(a+1)^2[/tex]
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Ответ:
0,4а²*(а+1)²
Объяснение:
0,8а³+0,4а²+0,4а⁴=0,4а²(2а+1+а²)=
=0,4а²(а²+2а+1)=0,4а²*(а+1)²
[tex]\displaystyle 0,8a^3+0,4a^2+0,4a^4=\frac{4}{5}a^3+\frac{2}{5}a^2+\frac{2}{5}a^4=\frac{2}{5}a^2(2a+1+a^2)=\frac{2}{5}a^2(a^2+2a+1)=\\\frac{2}{5}a^2(a+1)^2=0,4a^2(a+1)^2[/tex]