Mathematics
Junior High
Resolved
答え合わせお願いします。
1番最後の(2)教えてください！
3217311
(M-IXM++)
M²+M-2
= (32²+4)² + (3x+4)-2
9x² +677 + 7 + 3x + 7 - 20
= (a +36) = f(a+36) +16
=a²²+6ab+96²-8a-246 +16
13
(¹)/záb-bab - bab (za−1) (²)16x-44- 4 (41-4²)
164
164
(3) 9x-6x + 1 = (3x-1) ₁2²
x+
(4) 4X-20x3 +257 ²= (2x-53), (5) a= 11 + 1² = (α-²) (α-9
(6) 6X−7+x² = X+6x-7 = (x+7)(x7),
17 (1) 129-29*³ = (129+29)((2929)
= 158 +100 = 258,
(2) 201-203x/98 =
(¹) (3x+7-1)/3x+4+₂) =
(2) (a+36-4)² = (M-4)² = M-AM +16
158
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