Mathematics
Senior High
Resolved
すみません!
この問題を教えて欲しいです!
(1)は途中まで解いてみたんですけどほかは分からなくて、お願いします!
2 次の等式がについての恒等式となるように、定数の値を定めよ。
(1)
3x+7
(x+2x+3) *+2
a
b
+
*+3
3x+7= a(x+3)+ b (x+2)
2
3x+7=
(a+b)x+(3a+26)
3 = a+6.7.30+26
(2) (a+b-4)x+(a−b+2)=0
(3) (x+1) a + (2x-1)b +2x+5=0
a =
b =
a =
b =
a =
b =
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