Mathematics
Senior High
Resolved
先生から送られてきた解答が違うかなと思ったのですがどう思いますか??
2枚目の写真は私の回答です。
(8) (x2-3x+2)(x2+3x−2)
2
-²24 = 3x²= (3x-2) 41 x ² + (32-214
c
=x²-(3x−2)²
=2^²-(92²-12x+4)
= 2²²-9x² + 12x-4
=-82² +122-4
MacBook Air
= (x²+2x+² -11 (x²+2x) +24
2¼/1 4 2²³ +42²-1 12²-22
22x+24
x1
〆〃4-72-22x+24
-Yu
(8) (x²-3x+2)(x²+3x-2)
-[x-(3-2)}] [²2] <3x-23 A²
(20² AX X²+A)
x² - (3x-2) ²
=x4-(92²-(2x+4)
¢
-x²-9x²³² + 12x-4
24
X
2) 12x²y-15xy²
H
H
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