=>x^3-3x^2+3x-1-x(x^2+2x+1)=10x-5x^2-11x-22
=>x^3-3x^2+3x-1-x^3-2x^2-x=-5x^2-x-22
=>-5x^2+2x-1=-5x^2-x-22
=>2x-1=-x-22
=>3x=-21
=>x=-7
a, (x-1)^2+ (x+3)^2= 2(x-2)(x+1)+38
b, 5(2x-3)-4(5x-7)= 19 - 2(x+11)
Giải phương trình về dạng ax+b=0
1. (- (x - 3))/2 - 2 = 5(x + 2)/4
2. 2(2x + 1)/5 - (6 + x)/3 = (5 - 4x)/15
3. (7 - 3x)/2 - (5 + x)/5 = 1
4. (x - 1)/2 +3(x + 1)/8 = (11 - 5x)/3
5. (3 + 5x)/5 - 3 = (9x - 3)/4
1. giải phương trình
a, 7x-5=13-5x
b, 5(2x-3)-4(5x-70)=19-2(x+11)
c, \(\frac{3x-7}{2}+\frac{x+1}{3}\)=-16
d, (x-1)2+(x+3)2=2(x-2)(x+1)+38
a) (x-1)^3-x(x+1)^2=5x(2-x)-11(x+2)
b) (x-3)(x+4)-2(3x-2)=(x-4)^2
14, giải các PT sau.
1, 4-(x-5)=5(x-3x)
2, 32-4(0,5y-5)=3y+2
3, 19-2(x+11)=5(2x-3)-4(5x-7)
4, 4(x+3)-7x+17=8(5x-1)+166
5, 17-14(x+1)=13-4(x+1)-5(x-3)
6, 5(x+10)2+2x=5x2-3
7, (2x-1)2+5=(2x+3)(2x-3)-x
8, 3(x-2)2+2(x+3)(x-3)=5(x+1)2
a) (x-1)^3-x(x+1)^2=5x(2-x)-11(x+2)
b) (x-3)(x+4)-2(3x-2)=(x-4)^2
14, giải các PT sau.
1, 4-(x-5)=5(x-3x)
2, 32-4(0,5y-5)=3y+2
3, 19-2(x+11)=5(2x-3)-4(5x-7)
4, 4(x+3)-7x+17=8(5x-1)+166
5, 17-14(x+1)=13-4(x+1)-5(x-3)
6, 5(x+10)2+2x=5x2-3
7, (2x-1)2+5=(2x+3)(2x-3)-x
8, 3(x-2)2+2(x+3)(x-3)=5(x+1)2
a)5-(x-6)=4(3-2x)
b)2x(x+2)2-8x2=2(x-2)(x2+2x+4)
c)7-(2x+4)=-(x+4)
d)(x-2)3+(3x-1)(3x+1)=(x+1)3
e)(x+1)(2x-3)=(2x-1)(x+5)
f)(x-1)3-x(x+1)2=5x(2-x)-11(x+2)
g)(x-1)-(2x-1)=9-x
h)(x-3)(x+4)-2(3x-2)=(x+4)2
i)x(x+3)2-3x=(x+2)33+11
j)(x+1)(x2-x+1)-2x=x(x+1)(x-1)
