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skillete67
@skillete67
June 2022
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Помогите решить! Самостоятельная работа за 7-8 класс!
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Ninaa7
№3. а)
= (x-4-2)(x-4+2) = (x-6)(x-2)
б)
= (3x-1-3)(3x-1+3) = (3x-4)(3x+2)
№ 2. а) x²-6x+11 = x²-6x+9+2 = (x-3)²+2
б) x²+6x = x²+6x+9-9= (x+3)²-9
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Answers & Comments
б) = (3x-1-3)(3x-1+3) = (3x-4)(3x+2)
№ 2. а) x²-6x+11 = x²-6x+9+2 = (x-3)²+2
б) x²+6x = x²+6x+9-9= (x+3)²-9