*-24m^5n+36n²=(2m^5-6n)², *=4m^10.
a^4-0,6a^5+*=(a²-0,3a³)²=a^4-0,6a^5+0,09a^6. *=0,09a^6.
*-xy+1/49y²=(7/2x-1/7y)²=(49/4)x²-2·7/2·x·1/7·y+(1/49)y². *=(49/4)·x²
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*-24m^5n+36n²=(2m^5-6n)², *=4m^10.
a^4-0,6a^5+*=(a²-0,3a³)²=a^4-0,6a^5+0,09a^6. *=0,09a^6.
*-xy+1/49y²=(7/2x-1/7y)²=(49/4)x²-2·7/2·x·1/7·y+(1/49)y². *=(49/4)·x²