Bài 4: Phương trình tích
Các câu hỏi tương tự
Giúp với mn ơi ;-;a) 9(2x+1)^2-4(x+1)^2=0b) (x+1)^2+2(x+1)+1=0c) (x-1)(x^2-9)+x+3=0d) (7-x)^2__________ -(x+5)^2=0 4e) 4x^2+(x-1)^2-(2x+1)^2=0f) x^3+1=(x+1)(2-x)
Giải các phương trình sau:
a) (x-1)(3x-7)=(x-1)(x+3)
b) (3x+1)(x-2)=(x-2)(x+1)
c) (x-3)^2 +2x-6=0
d)(2x-1)^2=9
e) x(x-1)=3(x-1)
f)x^2(x-3)=4(x-3)
g) x(x-5)=2(x-5)
22 tháng 3 2021 lúc 20:54
Giải phương trình:
a) \(\dfrac{x^2-x-6}{x-3}=0\)
b) \(\dfrac{x+5}{3x-6}-\dfrac{1}{2}=\dfrac{2x-3}{2x-4}\)
c) \(\dfrac{12}{1-9x^2}=\dfrac{1-3x}{1+3x}-\dfrac{1+3x}{1-3x}\)
d) \(\dfrac{x+5}{x-1}=\dfrac{x+1}{x-3}-\dfrac{8}{x^2-4x+3}\)
e) \(\dfrac{x+1}{x-2}-\dfrac{5}{x+2}=\dfrac{12}{x^2-4}+1\)Thể loại truyện
a, x^3+x^2-x-1=0
b, x^3+x^2-4x-4=0
c,x^3+x^2+4=0
d, (x-1)^2(x--3)+(x-1)^2(x+3)
e,x^4-5x^3+5x^2+5x-6=0
giải pt
1.(x^2-x+1)(X^2-x+2)2
2.X(x+2)(x+3)(x+5)280
3.(x+3)(x+4)(X+5)x
4.dfrac{1}{xleft(x+2right)}+dfrac{1}{left(x+2right)left(x+4right)}+dfrac{1}{left(x+4right)left(x+6right)}dfrac{1}{9} 5. 12/x^2-12/x^2+21 6.(x^2-6x)^2+14(x-...
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giải pt
1.(x^2-x+1)(X^2-x+2)=2
2.X(x+2)(x+3)(x+5)=280
3.(x+3)(x+4)(X+5)=x
4.\(\dfrac{1}{x\left(x+2\right)}+\dfrac{1}{\left(x+2\right)\left(x+4\right)}+\dfrac{1}{\left(x+4\right)\left(x+6\right)}=\dfrac{1}{9}\) 5. 12/x^2-12/x^2+2=1 6.(x^2-6x)^2+14(x-3)^2=81 7.(x^2+5x)^2-2(x^2+5x)-24=0
8. x^2+2x+3=(x^2+x+1)(X^4+x^2+4)
Bài 1: Giải các phương trình tích sau:
2. a) (3x + 2)(x2 –1) (9x2 – 4)(x + 1) b)x(x + 3)(x – 3) – (x + 2)(x2 – 2x + 4) 0
c) 2x(x – 3) + 5(x – 3) 0 d) (3x – 1)(x2 + 2) (3x – 1)(7x – 10)
e) (x + 2)(3 – 4x) x2 + 4x + 4 f) x(2x – 7) – 4x + 14 0
g) 3x – 15 2x(x – 5) h) (2x + 1)(3x – 2) (5x – 8)(2x + 1)
i) 0,5x(x – 3) (x – 3)(1,5x – 1) j) (2x2 + 1)(4x – 3) (x – 12)(2x2 + 1)
k) x(2x – 9) 3x(x – 5) l) (x – 1)(5x + 3) (3...
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Bài 1: Giải các phương trình tích sau:
2. a) (3x + 2)(x2 –1) = (9x2 – 4)(x + 1) b)x(x + 3)(x – 3) – (x + 2)(x2 – 2x + 4) = 0
c) 2x(x – 3) + 5(x – 3) = 0 d) (3x – 1)(x2 + 2) = (3x – 1)(7x – 10)
e) (x + 2)(3 – 4x) = x2 + 4x + 4 f) x(2x – 7) – 4x + 14 = 0
g) 3x – 15 = 2x(x – 5) h) (2x + 1)(3x – 2) = (5x – 8)(2x + 1)
i) 0,5x(x – 3) = (x – 3)(1,5x – 1) j) (2x2 + 1)(4x – 3) = (x – 12)(2x2 + 1)
k) x(2x – 9) = 3x(x – 5) l) (x – 1)(5x + 3) = (3x – 8)(x – 1)
Giải phương trình
a. x (x+1)(x-1)(x+2)=24
b.(x-4)(x-5)(x-6)(x-7)=1680
c. (x+2)(x+3)(x-5)(x-6)=180
d.2x(8x-1)2(4x-1)=9
e. (12x+7)2(3x+2)(2x+1)=3
g. (2x+1)(x+1)2(2x+3)=18
Bài 1: giải các pt sau:
1,(x-1)^2-(x+1)^2=2(x+3)
2,(2x-1)^2-(2x+1)^2=4(x-3)
3,(2x+3)^2-(2x+3).(2x-4)=-(x-2)^2
4,8x^3-(x+1)^3=3x-3
5,(3x-2).(9x^2+6x+4)-(3x+1).(9x^2-3x+1)=(2x+1).(2x-1)-4x(x-3)
Bài 5: Giải phương trình
a) x ( x+1) ( x – 1) ( x+2) =24
b) ( x – 4) ( x – 5) ( x – 6) ( x – 7) = 1680
c) 2x ( 8x – 1) 2 ( 4x – 1) = 9
d) ( 2x + 1)( x + 1) 2 ( 2x + 3) = 18
e) (x 2 – 6x +9 ) 2 – 15( x 2 – 6x +10) = 1
f) ( x 2 + 1) 2 + 3x ( x 2 + 1) + 2x 2 = 0
g) ( x 2 – 9) 2 = 12x + 1
Bài 6: Giải phương trình
a) ( x + 3) 4 + ( x+ 5 ) 4 = 16
b) ( x – 2) 4 + ( x – 3) 4 = 1
Bài 5: Giải phương trình
a) x ( x+1) ( x – 1) ( x+2) =24
b) ( x – 4) ( x – 5) ( x – 6) ( x – 7) = 1680
c) 2x ( 8x – 1) 2 ( 4x – 1) = 9
d) ( 2x + 1)( x + 1) 2 ( 2x + 3) = 18
e) (x 2 – 6x +9 ) 2 – 15( x 2 – 6x +10) = 1
f) ( x 2 + 1) 2 + 3x ( x 2 + 1) + 2x 2 = 0
g) ( x 2 – 9) 2 = 12x + 1
Bài 6: Giải phương trình
a) ( x + 3) 4 + ( x+ 5 ) 4 = 16
b) ( x – 2) 4 + ( x – 3) 4 = 1