1)
4a² +4ab+b²=(2a+b)²
2)
25x²-10x+1= (5x-1)²
3)
49x²-28xy+4y²=(7x-2y)²
4)
4m^10-24m^5n+36n²=(2m^5-6n)²
5)
a^4-0,6a^5+0,09a^6=(a²-0,3a³)²
6)
4x²-xy+1/16y²=(2x-1/4y)²
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Answers & Comments
1)
4a² +4ab+b²=(2a+b)²
2)
25x²-10x+1= (5x-1)²
3)
49x²-28xy+4y²=(7x-2y)²
4)
4m^10-24m^5n+36n²=(2m^5-6n)²
5)
a^4-0,6a^5+0,09a^6=(a²-0,3a³)²
6)
4x²-xy+1/16y²=(2x-1/4y)²