ax+1-a-x因式分解

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ax+1-a-x因式分解ax+1-a-x因式分解ax+1-a-x因式分解ax+1-a-x=a(x-1)-(x-1)=(a-1)(x-1)ax+1-a-x=a(x-1)-(x-1)=(a-1)(x-1)

ax+1-a-x因式分解
ax+1-a-x因式分解

ax+1-a-x因式分解
ax+1-a-x
=a(x-1)-(x-1)
=(a-1)(x-1)

ax+1-a-x
=a(x-1)-(x-1)
=(a-1)(x-1)

ax+1-a-x
=ax-a-x+1
=a(x-1)-(x-1)
=(a-1)(x-1)