Mathematics
Senior High
因数分解の途中過程解説お願いします🙇♀️
(2) P(x) を変形すると
P(x)= (-2x²+x+3) a²+(-x³+4x²) a+x4
= (x+1)(-2x+3) a²+(-x³+4x²) a+x².x²
-
= {(x+1) a+x²){(-2x+3) a+x²}
C
= (x² + ax+a) (x²-2ax+3a)
P(x)=0とすると
C
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