Rút gọn:
A=(2x-1)(x+3)-(x-2)(3x-4)+5x
B=5x(2x²-3x+1)-2x(x+1)(x-2)
C=(3x+2)(x-1)-2x(x+3)-2x+1
Giúp mk nha mk đang cần gấp
Thanks!
Làm hộ mình bài này với
Tìm x
a, 3x.(2x+3)-(2x+5).(3x-2)=8
b, 4x.(x-1)-3(x(mũ 2) -5)-x(mũ 2 )=(x-3). (x-4)
c, 2 .(5x-8) -3.(4x-5)=4.(3x-4)+11
d, 2x(mũ 2)+ 3.(x-1) (x+1)
Giúp mk vs ạ
1. (2x +3) (x- 5) +(X-4 ) + (x-5) ( x-2 0 = (3x -5) ( x-4)
2. (8x-3) (3x +2) - (4x+ 7) (x+4) = (2x + 1) (5x-1)
3. 2x^2 + (x -1) (x+1)= 5x (x+10
4. 4- ( x-1) (x+5) - (x+2) (x+5) = 3(x-1) (x+2)
Bài 1: Thực hiện phép tính
a) (3x-1)(9x2+3x+1)-4x(x-5)
b) (7x+2)(3-4x)-(x+3)(x2-3x+9)
c) (4x+3)(4x-3)-(2-x)(4+2x+x2)
d) (3x-8)(-5x+6)-(4x+1)(3x-2)
e) (3x-6)4x-2x(3x+5)-4x2
f) (5x-6)(6x-5)-x(3x+10)
Bài 2 : Tính
a) x(x+3)-x2=6
b) 2x(x-5)+x(-2x-1)=6
c) x (x+5)-(x+1)(x-2)=7
d)(3x+4)(6x-3)-(2x+1)(9x-2)=10
Thực hiện các phép tính sau:
a) (x2 -1) (x2 + 2x)
b) (2x-1)(3x+2)(3-x)
c) (x+3)(x2 + 3x-5)
d) (x+1)(x2 - x+1)
e) (2x3 - 3x-1)(5x+2)
f) (x2 - 2x+3)(x-4)
g) (4x-1)(3x+1)-5x(x-3)-(x-4)(x-3)
h) (5x-2)(x+1)-3x(x2-x-3)-2x(x-5)(x-4)
Ai giúp mình giải bài này với ạ!
Tìm x: (8x-3)(3x+2)-(4x+7)(x+4)=(2x+1)(5x-1)-33
Bài 1: Tìm a, b, c biết
3x^2(a^2-2bx-3c)=3x^4-12x^3+27x2
Bài 2:Tìm x biết
a) 4(x+2)-7(2x-1)+3(3x-4)=30
b) 2(5x-8)-3(4x-5)=4(3x-4)+11
c) 5x(1-2x)-3x(x+18)=0
d) (x+2)(x+3)-(x-2)(x+5)=0
Tìm x, biết:
a) 3x(4x-3) - 2x(5-6x) = 0
b) 5(2x-3) + 4x(x-2) + 2x(3-2x) = 0
c) 3x(2-x) + 2x(x-1) = 5x(x+3)
d) 3x(x+1) - 5x(3-x) + 6(x2 + 2x + 3) = 0
😭😭😭🌚🌚🌚😞😞😞
1. x+2/x-2-1/x=2/x(x-2)
2. 5x +2(x-2)=17
3. x+3x+2/2=1-5x/6
4. x^2 . -16 =3(x-4)
5. x/x-1-x+1/2x+3=1+4x/(x-1)(2x+3)
6. 3x+1=7x-11
7. (x-1)(3x+2)=0
8. 3x-2=-14
9. (4x-2)(3x+5)=0
10. 2x+1/3-7x+5/15=x-2/5
