因式分解:1/2x^2-2

问题描述:

因式分解:1/2x^2-2

1/2(X^2-4)=1/2(X-2)(X+2)

1/2x²-2
=1/2(x²-4)
=1/2(x+2)(x-2)

1/2x^2-2
=1/2(x²-4)
=1/2(x+2)(x-2)