更新日2019/09/05

展開

展開せよ。

(x+2y−z)2x2+4y2+z2+4xy−4yz−2xz (2a+3b+c)(2a−3b+c)4a2+4ac+c2−9b2 (x2+xy+y2)(x2−xy+y2)x4+x2y2+y4 (a+2b−5c)(a−2b+5c)a2−4b2+20bc−25c2

展開せよ。

(x+2)(x2+4)(x-2)x4-16 (2x+y)2(2x-y)216x4-8x2y2+y4 (a+b+c)(a+b-c)(a-b-c)(a-b+c)a4+b4+c4-2a2b2-2b2c2-2a2c2 (a-2)(a+1)(a+2)(a+5)a4+6a3+a2-24a-20 (x+2y+3z)2-(x-2y-3z)2+(x-2y+3z)2-(x+2y-3z)224xz (a+b+c)(a2+b2+c2-ab-bc-ca)a3+b3+c3-3abc (a+b)(a2-ab+b2)a3+b3

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