別々で考えて あとから引き算すると簡単ですよ♪
(x-2)(x 3)=x2 x-6
↑
xの2条
(x ½)2=x2 x ¼
このふたつを引き算します
(x2 x-6) - (x2 x ¼)
= x2-x2 x-x-6-¼
= -6-¼
= -24/4-¼
=-23/4
になるとおもいます!!!
-25/4です
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