\(\Rightarrow\left(x-1\right)^2-\left(2x-3\right)^2=0\\ \Rightarrow\left(x-1-2x+3\right)\left(x-1+2x-3\right)=0\\ \Rightarrow\left(2-x\right)\left(3x-4\right)=0\\ \Rightarrow\left[{}\begin{matrix}x=2\\x=\dfrac{4}{3}\end{matrix}\right.\)
Tìm x ∈ Z sao cho:
a. (3x + 4) ⋮ (x – 3) (x ≠ 3)
b. (x2 + 3x – 13) ⋮ (x + 3) (x ≠ -3)
c. (x2 + 3) ⋮ (x -1) (x ≠ 1)
d. (x2 + 2x – 11) ⋮ (x + 2) (x ≠ -2)
help me plz
a) 3(-2x+1)-2020° = -2(2-x)-3.
Help me please
(2x +3).(1/2.x - 3/2) = 0
(1/2 - x)2= 64/49
1/2.(x- 4/5 )=3/4.x = 5/12
ai nhanh mik tik cho
help me..........
giá trị cua x thoa man 2^2x * 3^2x=36^24
helf me
ai nhanh mk cho 1 tick
Tim x:
(2/3)^2x-1=32/243
Help me, pleass!!👧
a> -3/9+7/15= -x+(-5/18)
b> 2x-3/4= x-1/2
help me, cần gấp nhé!!
/x-2/=2x-8 (//là giá trị tiết đối)
(x-2)^10+/2y-4/^4=0
/x+1/+/x+2/=1
(3-x).(/x+5/)=0
(/x/+1).(4-2x)=0
2./x/+3./y/=5
help me !!!!!!!!!!!!!!
Bài 1:
555 - 5 x [ 409 - (2 mũ 3 x 3 - 21) mũ 2 - 310]
Bài 2:
a) 10x +187 = 617 mũ 10 : 617 mũ 9
b) 5 mũ 2 + x = 25 mũ 4
c) (2x + 17) chia hết (x + 4)
help me!
47/53. ( 17/3 - 53/47) + 17/3 .( 6/17 - 47/53)
5/7 . ( 1/2 -1/3 +4/7 ) + ( 1/3 - 1/2 -4/7 ) :7/5
tim x
3 (x-1/2 ) - 5 ( x- 2/3) = 3/2x
help me mik dang can gap . cam on
