Mathematics
Junior High
Resolved
正しい解き方を教えて頂きたいですm(_ _)mよろしくお願いします( . .)"
次の式を因数分解しなさい
x − (2y − 1)² + (x + 2y − 1)²
2Y-1=A
2
2
X-A²+ (x + A²) ²
X-A²+ x² + 2AX+A² =22*0k
なくなっ
1²+ √==X² +2 AX
2
てる!
X(X+2A)
= x(x+2(24-1))
= X(X+4Y-2)
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