Các câu hỏi tương tự
1)x^2.(2x^3-x^2+4x) 2)(x+2).(5x^3-3x^2+x) 3)(x^2-2).(x^2+2x-1) 4)(x^2+x+1).(x-1)
a, |x-1/2|=|3|
b, 2|x-1|+3|x-1|=5
c, |-2/3|.|2x-1|=4/3.|x-1|+1
d, |x-1|-x=-1
e, |3x-2|=|x-1|
f,|2x-1|+2x=1
g, 2|x-1/2|=|x+1|
h, 3|x-1/3|+5|3/x-1/5|=2
2x + 1 / x(x+1) - 2x+3 / (x+1)(x+2) + 2x + 5 / (x+2)(x+3) = 5 / x(x+3)
B1:tìm x biết a, (-2+x^2)(x^2-2)(x^2-2)(x^2-2)(x^2-2)=1 b, (2x+3)(x-4)+(x-5)(x-2)=(3x-5)(x-4) c,(8x-3)(3x+2)-(4x+7)(x+4)=(4x+1)(5x-1) d, 2x^2+3(x-1)(x+1)=5x(x+1) e, (8-5x)(x+2)+4(x-2)(x+1)=(2+x)(2-x) f, 4(x-1)(x+5)-(x+2)(x+5)=3(x-1)(x+2)
Bài 1:
a, (-2+x\(^2\))(x\(^2\)-2)(x\(^2\)-2)(x\(^2\)-2)(x\(^2\)-2)=1
b, (2x+3)(x-4)+(x-5)(x-2)=(3x-5)(x-4)
c, (8x-3)(3x+2)-(4x+7)(x+4)=(4x+1)(5x-1)
d,2x\(^2\)+3(x-1)(x+1)=5x(x+1)
e,(8-5x)(x+2)+4(x-2)(x+1)=(2+x)(2-x)
f, 4(x-1)(x+5)-(x+2)(x+5)=3(x-1)(x+2)
Bài 10.Rút gọn biểu thức:
a)(-x+1).(x2-2)-(1-x3-x2)
b)-4.(x+3).(x+4)+4x2-5x
c)(2x+3).(1-x)-(2x-1).3x
d)(x-1)2-(x-1).(-5x)
e)2x(x-3)+(x-2).(5-2x)
f)2(x-5).(2x+3)-(x-3).(x+1)
Giúp mình với mình cảm ơn mn ạ
27 tháng 4 2023 lúc 22:10
a, (x-1)(x+2)-(x+5)(x-2)
b, (2x-2)(x+4)+(-x+1)(x-2)
c,(-x+5)(x+3)+(2x-1)(x+3)
d, (x+3)(x-1)-(x-7)(x-6)
Giúp tớ với ạaa
Thực hiện phép tính
a) (2x^4-5x^2+x^3-3-3x):(x^2-3) b) (x^5+x^3+x^2+1):(x^3+1)
c) (2x^3+5x^2-2x+3):(2x^2-x-1) d) (8x-8x^3-10x^2+3x^4-5):(3x^2-2x+1)
Mik cần gấppp
1,tìm x
4(x-1) - 2(x-2) = 3
2x - 5/3 x - a/2 = 1- x/2
( 7.2 - x ) - 2 ( 1/2 - 2x ) = 1/3 - ( x- 1)