Mathematics
Junior High
解説をお願いします💦
2-2をMとおく
2(x-2)x2+7(7-2)x+3(x-2)
2
21h x² + 7m x + 3/
(x + 6
2
M (2 x ² + 7 x + 3
(x-2) (2x² + 2x13)
(x+
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