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4b² - 4bc + c²=
16a²-8ab+b²=
16 + 8a + a² =
25+10x + x=
1-6x+9x²=
121-22x+x²
y²+30y+225=
4b²+12bc+9c²=
9y²+12bc+9c²=
c²-8bc+16b²=
b²-2bx+x²=
25z²+10zx+x²=
16x²+24xy+9y²=
4a²+12ab+9b²=
9a²-60ab+100b²
x6-6x³+9=
x4+8x²+16=
4b² - 4bc + c²=
16a²-8ab+b²=
16 + 8a + a² =
25+10x + x=
1-6x+9x²=
121-22x+x²
y²+30y+225=
4b²+12bc+9c²=
9y²+12bc+9c²=
c²-8bc+16b²=
b²-2bx+x²=
25z²+10zx+x²=
16x²+24xy+9y²=
4a²+12ab+9b²=
9a²-60ab+100b²
x6-6x³+9=
x4+8x²+16=
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