ax^2+3ax-1因式分解

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ax^2+3ax-1因式分解ax^2+3ax-1因式分解ax^2+3ax-1因式分解解ax²+3ax-1=0得x1=(-3a+根号(9a²+4a))/2ax2=(-3a-根号(9a

ax^2+3ax-1因式分解
ax^2+3ax-1因式分解

ax^2+3ax-1因式分解
解ax²+3ax-1=0得
x1=(-3a+根号(9a²+4a))/2a x2=(-3a-根号(9a²+4a))/2a
∴ax²+3ax-1
=a(x-x1)(x-x2)

3a-xx