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KingMack1136
02.12.2021 •
Mathematics
Help me please, and dont comment any links
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Ответ:
x²+12=7x
==>x²-7x+12=0
==>x²-3x-4x+12=0
==>x(x-3)-4(x-3)=0
==>(x-3)(x-4)=0
==>x=3 or, x=4
Answer D