Mathematics
Junior High
Solved

この3つの問題の解き方がわかんないです。何回やっても違う答えになってしまいます。

(4) (4)5(x-4)2-24=0 5(x-4) 24=0 (x-4)² = 24 8=4=±√ √24 + 2 21
4x² 2612-1=001 2721222= 12才 A
(6 (9) (x+4)² - 16 -0 (25+20)-16=0 (25x+20)² = 16
二次方程式

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