✨ Best Answer ✨
(2x-1)(4x-3)
の方が良いです。
(-2x+1)＝-(2x-1)
(-4x+3)＝-(4x-3)
として、
-(2x-1)×-(4x-3)
＝-1×-1×(2x-1)×(4x-3)
＝(2x-1)(4x-3)
といった具合です
Mathematics
Senior High
Resolved
(3)の問題は(-2x+1)(-4x+3)ですか？
問 20 次の式を因数分解せよ。
(1) 4.x²+7x +3
(3) 8x2-10x +3
(5) 6a2-17ab-14b2
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