-4x(x-5)-2x(8-2x)=-3
-4x^2+20x-16x+4x^2=-3
4x=-3
x=-3/4
<=>(-4)x(x-5)-2x(8-2x)=4x
=>4x=-3
=>x=\(-\frac{3}{4}\)
-4x(x-5)-2x(8-2x)=-3
=>-4x-(-20)-16-4x=-3
=>-4x+20-4x=-3+16
=>-4x-4x=13-20
=>-8x=-7
=>x=(-7):(-8)
=>x=0,875
-4x(x-5)-2x(8-2x)=-3
-4x^2+20x-16x+4x^2=-3
4x=-3
x=-3/4
<=>(-4)x(x-5)-2x(8-2x)=4x
=>4x=-3
=>x=\(-\frac{3}{4}\)
-4x(x-5)-2x(8-2x)=-3
=>-4x-(-20)-16-4x=-3
=>-4x+20-4x=-3+16
=>-4x-4x=13-20
=>-8x=-7
=>x=(-7):(-8)
=>x=0,875
tìm x biết -4x(x-5)-2x(8-2x)=-3
Tìm x biết: -4x(x-5)-2x(8-2x)=-3
Tìm x biết -4x(x-5) - 2x(8 - 2x) = -3
Tìm x biết:
-4x(x-5)-2x(8-2x)=-3
tìm x biết:
a)(2x+2)(2x-2)-4x(x+5)=8
b)(4x+5)(4x-5)-8x(2x-7)=11
c)(1/2x-3)(1/2x+3)-1/4x(x+5)=11/2
d)(3x+2)(3x-2)-4x(x+2-5x2=18
3. Tìm x, biết: a) 2x + 8 ≤ 0 b) 4x-7 ≥ 2x -5 c) (2x-8)(15-3x)>0 d) (10-2x)(8+2x)≤0
tìm x biết -4x*(x-5)-2x*(8-2x)=-3
Ai lm nhanh mk tick nhá
Tìm x biết
-4x (x-5)-2x (8-2x) =-3
nhanh dung minh tich cho nhiu
Tìm x biết:
A. 2.x -5/4=20/15
B. 1,5 : 0,3 = x :(-15)
c. ( x +1/3)^3=-1/8
d. (-4x) . ( x-5) . -2x(8-2x) =-3