(2x+4)²-x=2的两个根是多少

(2x+4)²-x=2的两个根是多少

---

(2x+4)²-x=2
4(x+2)²=x+2
x+2=0或x+2=1/4
x=-2,x=-7/4

---

X1=7/4,X2=-2

---

-7和-8

---