\(\Leftrightarrow x\left(3x^2+2\sqrt{2}x+1\right)=0\)
=>x=0
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Tìm x:a) 3xleft(3x-8right)-9x^2+80b)6x-15-xleft(5-2xright)0c) x^3-16x0d) 2x^2+3x-50e) 3x^2-xleft(3x-6right)36f) left(x+2right)^2-left(x-5right)left(x+1right)17g) left(x-4right)^2-xleft(x+6right)9h) 4xleft(x-1000right)-x+10000i) x^2-360j) x^2y-2+x+x^2-2y+xy0k) xleft(x+1right)-left(x-1right).left(2x-3right)0l) 3x^3-27x0
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Tìm x:
a) \(3x\left(3x-8\right)-9x^2+8=0\)
b)\(6x-15-x\left(5-2x\right)=0\)
c) \(x^3-16x=0\)
d) \(2x^2+3x-5=0\)
e) \(3x^2-x\left(3x-6\right)=36\)
f) \(\left(x+2\right)^2-\left(x-5\right)\left(x+1\right)=17\)
g) \(\left(x-4\right)^2-x\left(x+6\right)=9\)
h) \(4x\left(x-1000\right)-x+1000=0\)
i) \(x^2-36=0\)
j) \(x^2y-2+x+x^2-2y+xy=0\)
k) \(x\left(x+1\right)-\left(x-1\right).\left(2x-3\right)=0\)
l) \(3x^3-27x=0\)
Tìm x biết: a. x3 – 25x 0 b. 3x(x- 2) – x + 2 0 c. x2 – 4x - 5 0 d.x3 – x2 + 3x – 3 0 e. x3 + 27 + ( x + 3)( x – 9) 0
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Tìm x biết:
a. x3 – 25x = 0 b. 3x(x- 2) – x + 2 = 0
c. x2 – 4x - 5 = 0 d.x3 – x2 + 3x – 3 = 0
e. x3 + 27 + ( x + 3)( x – 9) = 0
Tìm x; biết:
f.x3 – 7x2 = – 6x g.(x + 1)(x + 2)(x + 4)(x + 5) = 4
h.(x2 – 0,5) : 2x – (3x – 1)2 : (3x – 1) = 0
i. (x + 3)(x2 – 3x + 9) – x(x – 2)(x + 2) = 15
Tìm x :
x^3 - 3x^2 + x - 3 =0
Tìm x, biết:
a)x(2x-3)-(2x-1)(x+5)=17
b)(2x+5)^2+(3x-10)^2+2.(2x+5)(3x-10)=0
tìm x biết
1/ x(x -2)-x-2 =0
2/ 5x(x-3)-x+3=0
3/ 3x(x-5)-(x-1)(2+3x) =30
4/ (x+2)(x+3)-(x-2)(x+5)=0
4x
tìm x biết
a) x(x+2) - 3x-6=0
b) ( x^3+3x^2 +3x +1) - 3x^2-3x =0
c) 4x^2 - 25 =0
tim x:
a)4x(x-5)-(x-1)(4x-3)=5
b)(3x-4)(x-2)=3x(x-9)-3
c)x^2-81=0
d)3x^2-75=0
e)x^2-14x+3=0
minh can gap. thank you
Tìm x:
4x(x - 2) + 3x - 6 = 0