1.
a)25a²+60ab+36b²
б)9x²-24x+16
в)b²-8bc+16c²
2.
а)-----------
б)(5a-7b)²
в)(3y-1)²
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Verified answer
1.
a)25a²+60ab+36b²
б)9x²-24x+16
в)b²-8bc+16c²
2.
а)-----------
б)(5a-7b)²
в)(3y-1)²