Mathematics
Senior High
どこで計算間違えしてるかわかりません
(6) (x² - 3 x + 6 ) ( 2x² - 6x + 5)
(x²- 3 x 16 ) (x² - 3 2 x Z) ²
2
(A + 6) (A + ²) 2
2
2
d
17
= (A ² + ²1/2²A + 15) · 2
2
11
2
= 2A ² + 11A + 30
=2(x-3x)^2+17 (x^2-3x)+30
= 2 ( 2 " - 6 x ³ + 9 7 ² ) + (1x²-51 x + 30
2 x ² - 1 2 x ³ x 18 x ² + ( 7 x ² - 5 / x + 30
2x = 12x²³ + 25x² - 51 x ~30
t
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これです