Mathematics
Senior High
この問題の⑵のa-bを教えてください
F
J
5x2-4x-2
-x-4.x2+7x
練習
7
(1) A=2x2+3x-1,
次の多項式 A, B について, A+BとA-B を計算せよ。
B=4x2-5x-6
6
(2) A=-3x²-2x+4x3+5, B=2x+7-3x2
38 +8 +57
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