Ответ:
A) (2a-b)(2a+b) = 4a²-b²
B) (x+5)² = x²+10x +25
C)(x-1)(x²+x+1)=x³-1
D)(3a²+2b)³ = 27a^6 +54a⁴b + 36a²b²+8b³
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Ответ:
A) (2a-b)(2a+b) = 4a²-b²
B) (x+5)² = x²+10x +25
C)(x-1)(x²+x+1)=x³-1
D)(3a²+2b)³ = 27a^6 +54a⁴b + 36a²b²+8b³