Các câu hỏi tương tự
tim x
8x3+12x2+6x+1=0
2(x+5)-x2-5x=0
x2+5x+6=0
2x2+5x-3=0
3x(x-2)-x+2=0
cam on rat nhieu(neu ban giai ho)
1) 5x^2 13x2) (5x^2 + 3x – 2 )^2 (4x^2 – 3x – 2 )^23) x^3 + 27 + (x + 3)(x – 9) 04) 5x(x – 2000) – x + 2000 05) 5x(x – 2) – x – 2 0 6) 4x(x + 1) 8( x + 1)7) x(x – 4) + (x – 4)^2 08) x^2 – 6x + 8 09) 9x^2 + 6x – 8 010) x^3 + x^2 + x + 1 011) x^3 - x^2 - x + 1 012) (5 – 2x)(2x + 7) 4x^2 – 2513) x(2x - 1) + 1/3 . 2/3x 014) 4(2x + 7) – 9(x + 3)^2 0GIÚP TUI ZỚI MỌI NGƯỜI OIWIII!!!
Đọc tiếp
1) 5x^2 = 13x
2) (5x^2 + 3x – 2 )^2 = (4x^2 – 3x – 2 )^2
3) x^3 + 27 + (x + 3)(x – 9) = 0
4) 5x(x – 2000) – x + 2000 = 0
5) 5x(x – 2) – x – 2 = 0
6) 4x(x + 1) = 8( x + 1)
7) x(x – 4) + (x – 4)^2 = 0
8) x^2 – 6x + 8 = 0
9) 9x^2 + 6x – 8 = 0
10) x^3 + x^2 + x + 1 = 0
11) x^3 - x^2 - x + 1 = 0
12) (5 – 2x)(2x + 7) = 4x^2 – 25
13) x(2x - 1) + 1/3 . 2/3x = 0
14) 4(2x + 7) – 9(x + 3)^2 = 0
GIÚP TUI ZỚI MỌI NGƯỜI OIWIII!!!
giai PT a,x^4 - 5x^2 +4 = 0
b,(x^2 +5x)^2 - 2(x^2 +5x) = 24
c,(x^2 - x)^2 - 2 = x^2 -x
d, x(x+1) (x-1) (x-2) = 24
giai cac phuong trinh sau :
a, 1/x^2+5x+4+1/x^2+11x+28+1/x^2+17x+70=3/6x-2005
b, x+1/x-1+x-2/x+2+x-3/x+3+x+4/x-4=4
c, 1/4x-2006+1/5x+2004=1/15x-2007-1.6x-2005
d, 4x+16/x+6-3/x+1=5/x+3+7/x+5
1 / (x^2 + 3x + 2 ) + 1 / (x^2 + 5x + 6) + 1 / (x^2 + 7x + 12 ) + . . . + 1/ ( x^2 + 15x + 56 ) = 1/14(x^2 + 6x + 9 ) / (x^2 - 4x + x ) + ( 6x^2 - 36x + 54 ) / (x^2 + 4x + 4) - ( 7x^2 - 63 ) / ( x^2 - 4 ) = 0( 64x^2 + 4 )^2 = ( x^2 - 3x + 5 ) ( 8x - 4 )x^4 - 7x^2 + 4x + 20 =0
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giai phuong trinh
1, (x-2)(x-1)(x-8)(x-4)=4x^2
2, (x^2+5x+6)(x^2+20x+96)=4x^2
3, 3(x^2+2x-1)^2-2(x^2+3x-1)^2+5x^2=0
Tìm x:
a)(6x-2)^2+(5x-2)^2-4.(3x-1)(5x-2)=0
b)(x-2)^3-x^2.(x-6)=4
c)(x-1).(x^2+x+1)-x.(x+2).(x-2)=5
d)(x-1)^3-(x+3).(x^2-3x+9)+3.(x^2-4)=2
các bạn giai giup mk gap nhé. Thank you!!
PTDTTNT bang cach nham nghiem C= 6x^4-x^3-7^2+x+1
D= (x2-5x)2+10(x2-5x)+24
2x ^3 -5x^2+4x-1) : (2x+1)
(x63 -2x+4) ; (x+2)
(6x^3 - 19x^2+23x-12):(2x-3)
(x^4 - 2 x ^3 - 1+ 2 x ):(x^2 - 1)
(6x^3 - 5x^2 + 4x -1 ) : (2x^2-x+1)
(x^4 -5x^2+4):(x^2-3x+2)