Bài 3: Phương trình đưa được về dạng ax + b = 0
Các câu hỏi tương tự
2(x+3/5)=5-(13/5+x)
2(x+3\5)=5-(13\5+x)
2(x+3 phần 5) = 5 - ( 13 phần 5 + x )
Giải các phương trình sau
A.5+3x=4x-9
B.3,2x-5(x-0,2)=5+0,2x
C.1,5-(x+2)=-3(x+0,1)
E.2/3-1/2(x+2)=-x+1
F.3t-4+13+2(t+2)-3t
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
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) \(\dfrac{x-3}{5}=6-\dfrac{1-2x}{3}\)
b) \(\dfrac{3x-2}{6}-5=\dfrac{3-2\left(x+7\right)}{4}\)
c) \(2\left(x+\dfrac{3}{5}\right)=5-\left(\dfrac{13}{5}+x\right)\)
d) \(\dfrac{7x}{8}-5\left(x-9\right)=\dfrac{20x+1,5}{6}\)
Bài 1 : Giải các phương trình sau :
1) (x – 2)(x – 5) (x – 3)(x – 4)
2) ( 6x + 2)(x – 2) 2x(3x – 5)
3) (x – 2) 2 (x – 3)(x + 2)
4) (x–1)(x +3) – (x+2)(x–3) 0
5) (x–2)(x –5) – (x–3)(x–4) 0
6) (3x – 2)(4x + 3) 2x(6x – 1)
7) 4x 2 – (2x + 1)(2x – 1) 0
8) (4x–5)(x+3) (2x – 3)(7+2x)
9) (x + 3)(x – 2) (x + 1) 2
10) (x+7)(x–7) + x 2 – 2 2(x 2 +5)
11) (x–1) 2 + (x+3) 2 2(x– 2)(x+2)
12) (x – 5) 2 (x + 3) 2 + 2
13) (3x + 2) 2 – (3x – 2) 2 5x + 38
Đọc tiếp
Bài 1 : Giải các phương trình sau :
1) (x – 2)(x – 5) = (x – 3)(x – 4)
2) ( 6x + 2)(x – 2) = 2x(3x – 5)
3) (x – 2) 2 = (x – 3)(x + 2)
4) (x–1)(x +3) – (x+2)(x–3) = 0
5) (x–2)(x –5) – (x–3)(x–4) = 0
6) (3x – 2)(4x + 3) = 2x(6x – 1)
7) 4x 2 – (2x + 1)(2x – 1) = 0
8) (4x–5)(x+3) = (2x – 3)(7+2x)
9) (x + 3)(x – 2) = (x + 1) 2
10) (x+7)(x–7) + x 2 – 2 = 2(x 2 +5)
11) (x–1) 2 + (x+3) 2 = 2(x– 2)(x+2)
12) (x – 5) 2 = (x + 3) 2 + 2
13) (3x + 2) 2 – (3x – 2) 2 = 5x + 38
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