Các câu hỏi tương tự
Tìm x biết
(5x-1)2-(5x-4)(5x+4)=7
TÌM X biết:
a. (5x - 2)(5x + 2) - (5x + 3)(5x - 4) = 8
b. (4x - 3)( 4x + 2) + (4x + 5)(1 - 4x) =2.52
tìm x biết
a) 5x(2x-7)+2x(8-5x)=5
b)(3x-5)(7-5x)-(5x+2)(2-3x)=4
c)5(2x-3)^2-5(x+1)^2-15(x+4)(x-4)=-10
d) 5x(x-3)(x+3)-(2x-3)^2 -5(x+2)^3+34x(x+2)=1
Tìm x, biết:
a) (5x-1)2-(5x-4)(5x+4)=7
b) (x+5)2-x2=45
Tìm x, biết:
A) (x -1)^3+(2-x)(4+2x+x^2)+3x(x+2)=17
B) (x+2)(x^2-2x+4)-x(x^2-2)=15
C) (5x-2)(5x+2)-(5x+3)(5x-4)=8
D) (4x-3)(4x+2)+(4x+5)(1-4x)=2.5^2
tìm x biết : (4x + 3)^2 + (3x - 4)^2 + (2 + 5x)(2-5x)= x
tìm x ,biết
a, x^2 -4x =12
b, ( 5x+1)^2 - (5x -3)(5x+3)=30
c, (x-1) ( x^2 +x +1 ) + x(x +2) (2-x)=5
d, 5x(x-3)^2 -5 (x-1)^3 +15 (x+4) (x-4) =5
tìm x biết
a) (5x-1)2-(5x-4)(5x+4)=7
b)5x2+4xy+4y2+4x+1=0
c)(x+2)3-x(x-1)(x+1)=6x2+21
tìm x biết
a) (5x-1)2-(5x-4)(5x+4)+7
b)5x2+4xy+4y2+4x+1=0
c)(x+2)3-x(x-1)(x+1)=6x2+21
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