Các câu hỏi tương tự
Tìm x biết:
a)x^2-100x=0
b)x^2+5x+6=0
Tìm x biết:
a)x^2-100x=0
b)x^2+5x+6=0
Tìm x biết:
a, 16x² – 9(x + 1)²= 0
b, x2 (x – 1) – 4x2 + 8x – 4 = 0
c, x(2x – 3) – 2(3 – 2x) = 0
d, (x – 3)(x² + 3x + 9) – x(x + 2)(x – 2) = 1
e, 4x² + 4x – 6 = 2
f, 2x² + 7x + 3 = 0
tìm x biết:
a.(x+3)^2-(x+3)(x-3)=0
b.5x(x^2+4)=0
.Tìm x biết:
a) 3x(x – 2) – x + 2 = 0
b) x3 – 6x2 + 12x – 8 = 0
c) 16x2 – 9(x + 1)2
d) x2 (x – 1) – 4x2 + 8x – 4 = 0
Tìm x,biết:
a)(2x-3)2-49=0
b)2x.(x-5)-7.(5-x)=0
c)x2-3x-10=0
tìm x, biết:
a) x2-2x+1=25
b) (5x+1)2-(5x-3)(5x+3)=30
c) (x-1)(x2+x+1)-x(x+2)(x-2)=5
d) (x-2)3-(x-3)(x2+3x+9)+6(x+1)2=15
tìm x biết:
a) x2-2x+1=25
b) (5x+1)2-(5x-3)(5x+3)=30
c) (x-1)(x2+x+1)-x(x+2)(x-2)=5
d) (x-2)3-(x-3)(x2+3x+9)+6(x+1)2=15
Tìm x, biết:
a) 5x(x – 200) – x + 200 = 0
b) x3 – 11x = 0
Tìm x
a) 3x(4x - 3) - 2x(5 - 6x) = 0
b) 5(2x - 3) + 4x(x - 2) + 2x(3 - 2x) = 0
c) 3x(2 - x) + 2x(x - 1) = 5x(x + 3)
d) 3x (x + 1) - 5x(3 - x) + 6(x^2 + 2x + 3) = 0