giai phuong trinh sau x^5-5x^4+4x^3+4x^2-5x+1=0
giai phuong trinh
a)2x^2 + 3xy + y^2 = 0
b) (x+1)(x+3)(x+5)(x+7)+15=0
giai phuong trinh x^2+y^2+6y+5=0
giai phuong trinh sau
x/x-1 + 1= x + 5/x + 2
bài 1 : giai các phuong trinh sau :
a, (9x^2-4) (x+1) = (3x+2) (x^2-1)
b, x^4+ x^3 +x +1=0
c,x^5 - 5x^3 +4x=0
giai phuong trinh bang cach dat an
(x+1)(x+3)(x+5)(x+7)+15=0
giai phuong trinh:
x+3+y=0
cho phuong trinh (an x):(m-1)x +m^2 -1=0(1) a,giai phuong trinh (1) voi m=2 b, tim gia tri cua m sao cho phuong trinh (1) nhan x=3 lam nghiem
mk dang can gap .cam on truoc a
tim nghiem nguyen cua phuong trinh
x^3-y^3-2y^2-3y-1=0