Mathematics
Senior High
解答は赤なのですが、私の解答ではだめですか?
231 次の式を因数分解せよ。
(1)x-6x2+1
(x²-3)²-8
(x²-3)²- (253)*
(x²+2√2-3) (x²-2√2-3)
= (x²+ -2x²+1) - 4x²
= (x²-1)²-(2x)<
-
た
= (x²+2x-1) (x² -2x-1)
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