✨ 最佳解答 ✨
x^2 - 5x + 2 = 0
(x - 5/2)^2 - 25/4 + 2 = 0
(x - 5/2)^2 = 17/4
x - 5/2 = ± √17 / 2
x = 5±√17 / 2
x^2 - 70x + 1221 = 0
(x - 35)^2 - 1225 + 1221 = 0
(x - 35)^2 = 4
x - 35 = ± 2
x = 37 or 33
✨ 最佳解答 ✨
x^2 - 5x + 2 = 0
(x - 5/2)^2 - 25/4 + 2 = 0
(x - 5/2)^2 = 17/4
x - 5/2 = ± √17 / 2
x = 5±√17 / 2
x^2 - 70x + 1221 = 0
(x - 35)^2 - 1225 + 1221 = 0
(x - 35)^2 = 4
x - 35 = ± 2
x = 37 or 33
看了這個問題的人
也有瀏覽這些問題喔😉
TKS❤