Mathematics
Junior High
Resolved
これの問題のやり方説明お願いします
(6) x²+6x==3√√2/2 = -5√2
5
(8) r²-7x-60=0,
11² 28√x-4)=√√28-
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(7) x2+3x-54=0
HINDE
8
(10
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