Mathematics
Senior High
Solved
因数分解です。
解いてみたのですが、答えがないのであっているか見て欲しいです!
(1)x2+3xy+2y=-2x-34+
=x2+(3g-2)x+124-34+1
x²+(3y-2)x+(2g-11y-)
=(x+2g-1)(x+y-1)
143x²-9ax+2a2-3xta-b
=3x²+(-50-3)x+12ata-6)
3x²+(-5a-3)x+ (2a-3) (a+²)
=13x-(2-3){-(a+2)}
= 3x-2a+3)(x-a-2)
=
2:3
2
-6
W
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