x^2-4x 8=0怎么求根?
问题描述:
x^2-4x 8=0怎么求根?
答
x²-4x8=0,
x²=4x8,
x²=32,
x=4√2或-4√2
x^2-4x 8=0怎么求根?
x²-4x8=0,
x²=4x8,
x²=32,
x=4√2或-4√2