Ответ:
8)(2y-3)²=4y²+9
9)(9+3c)²=81+9c²
10)(4x-5y)²=16x²+25y²
11)(5a+3b)²=25a²+9b²
12)(-2c+a)²=4c²+a²
13)(a²-2)²=a⁴+4²
14)(x-y³)²=x²-y⁵
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Ответ:
8)(2y-3)²=4y²+9
9)(9+3c)²=81+9c²
10)(4x-5y)²=16x²+25y²
11)(5a+3b)²=25a²+9b²
12)(-2c+a)²=4c²+a²
13)(a²-2)²=a⁴+4²
14)(x-y³)²=x²-y⁵