x4次方+2x平方-3=?
问题描述:
x4次方+2x平方-3=?
答
x4次方+2x平方-3
=(x²+3)(x²-1)
=(x²+3)(x+1)(x-1)
x4次方+2x平方-3=?
x4次方+2x平方-3
=(x²+3)(x²-1)
=(x²+3)(x+1)(x-1)