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exemanyak
@exemanyak
July 2022
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sayara91
Приводим к общему знаменателю и получается
2-2(x-4)=x(x-4)
2-2x+8=x²-4x
2-2x+8-x²+4x=0
-x²+2x+10=0
x²-2x-10=0
D=4+4·10=44
x1=(2+2√11)/2
x2=(2-2√11)/2
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RepetitorUFA
Решение на фото, которое прикреплено.
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Answers & Comments
2-2(x-4)=x(x-4)
2-2x+8=x²-4x
2-2x+8-x²+4x=0
-x²+2x+10=0
x²-2x-10=0
D=4+4·10=44
x1=(2+2√11)/2
x2=(2-2√11)/2