해법
x12−3=9
해법
x=612,x=−612,x=612i,x=−612i,x=1.06527…+22.28942…−0.75654…i,x=−1.06527…−22.28942…−0.75654…i,x=−0.61503…+20.75654…+2.28942…i,x=0.61503…−20.75654…+2.28942…i,x=0.61503…+20.75654…+2.28942…i,x=−0.61503…−20.75654…+2.28942…i,x=−1.06527…+22.28942…−0.75654…i,x=1.06527…−22.28942…−0.75654…i
솔루션 단계
x12−3=9
3를 오른쪽으로 이동
x12=12
다음으로 방정식 다시 쓰기 u=x2 그리고 u6=x12u6=12
u6=12해결 :u=312,u=−312,u=2.62074…32365+1.31037…i,u=−2.62074…32365−1.31037…i,u=−2.62074…32365+1.31037…i,u=2.62074…32365−1.31037…i
u=312,u=−312,u=2.62074…32365+1.31037…i,u=−2.62074…32365−1.31037…i,u=−2.62074…32365+1.31037…i,u=2.62074…32365−1.31037…i
다시 대체 u=x2,을 해결하다 x
x2=312해결 :x=612,x=−612
x2=−312해결 :x=612i,x=−612i
x2=2.62074…32365+1.31037…i해결 :x=1.06527…+22.28942…−0.75654…i,x=−1.06527…−22.28942…−0.75654…i
x2=−2.62074…32365−1.31037…i해결 :x=−0.61503…+20.75654…+2.28942…i,x=0.61503…−20.75654…+2.28942…i
x2=−2.62074…32365+1.31037…i해결 :x=0.61503…+20.75654…+2.28942…i,x=−0.61503…−20.75654…+2.28942…i
x2=2.62074…32365−1.31037…i해결 :x=−1.06527…+22.28942…−0.75654…i,x=1.06527…−22.28942…−0.75654…i
해결책은
x=612,x=−612,x=612i,x=−612i,x=1.06527…+22.28942…−0.75654…i,x=−1.06527…−22.28942…−0.75654…i,x=−0.61503…+20.75654…+2.28942…i,x=0.61503…−20.75654…+2.28942…i,x=0.61503…+20.75654…+2.28942…i,x=−0.61503…−20.75654…+2.28942…i,x=−1.06527…+22.28942…−0.75654…i,x=1.06527…−22.28942…−0.75654…i