Mathematics
Junior High
Solved
解の公式を使うんですよね?計算しても合わないです
*RUBOX
4 〈二次方程式> 次の方程式
(1) x2+4x=13
4 =√√√6 +52
z
-47 №os
2
G
X=-4± √√√6-52
2
X = - 4 ± √ ₁6
2
7<=
X
-4±6.
2.
2
7
70
Z
X = 1,5
Answers
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助かりました!ありがとうございました😊