tìm x,biết:
a, 3(x-3)-6x=0
b, 2x(x-15)+2x
c, 2(x-3)+3x=9
d, x(x-11)+2(x-11)=0
e,x(x+2)+8=x^2
f, 8(x+1)+2x=-2
g,12-3(x+2)=0
Tìm x biết
a) (x+2).(x+3) - (x-2).(x+5)=10
b) (3x+2). (2x+9) - (x+2). (8x+11)=(x+1).(3-2x)
c) 3.(2x-1).(3x-1)-(2x-3).(9x-1)=0
d) (5x-8).(4x-5)-(3x-4).(2x+12)=12
Tìm x:
a) x^2 - 25x=0
b) (x-3)^2 - 36x^2=0
c) 2x(3-x)+2x^2=12
d) x(x-2)-x+2=0
Tìm x:
a)x(2x-4)-(x-2)(2x+3)
b)x(3x+2)+(x+1)^2-(2x-5)(2x+5)=-12
c)(x-1)(x^2+x+1)-x(x-3)^2=6x^2
d)x^2-x=0
e)(x+2)(x-3)-x-2=0
f)3x^3-27x
Tìm x : a) x^3 - 1/4x = 0 b) ( 2x - 1 )^2 - ( x + 3 )^2=0 c) x^2(x-3)+12-4x=0
tìm x biết
a. x2(x-3)-12+4x=0
b. (2x-1)2-(x+3)2=0
c. 2x2-5=0
Giúp mik với đang cần gấp
Bài 2: Tìm x biết:
a) x.(x + 1) – x² + 2 = 0
b) 2.(3x + 2) – (2x + 12) = 0
c) 2x³(2x – 3) – x²(4x² – 6x + 2) = 0
d) (3x + 2)(x – 1) – 3(x + 1)(x – 2) = 4
Cần lắm nhờ mấy bạn
Tìm x biết:
a) x.(x + 1) – x² + 2 = 0
b) 2.(3x + 2) – (2x + 12) = 0
c) 2x³(2x – 3) – x²(4x² – 6x + 2) = 0
d) (3x + 2)(x – 1) – 3(x + 1)(x – 2) = 4
Giúp mình với