Các câu hỏi tương tự
(x^2+6x+8)(x^2+8x+15)-24=0
(x^2+x-2)(x^2+9x+18)-28=0
(x^2-1)^2-x(x^2-1)-2x^2=0
(x^2+4x+8)^2+3x(x^2+4x+8)+2x^2=0
a)(x^2 -1)^2-x(x^2-1)-2x^2=0
b)(x^2 + 6x+8)(x^2+8x+15)-24=0
c)(x^2+ x- 2)*(x^2+ 9x+18)-28=0
d)(x^2 +4x+8)^2+3x(x^2+4x+8)+2x^2=0
Phân tích thành nhân tử.
a, ( x + y )2 + 2x + 2y - 15
b, ( x2 + x + 1)( x2 + x + 2) - 12
c, ( x2 + 6x + 8)(x2 + 8x + 15 ) - 24
PHÂN TÍCH ĐA THỨC THÀNH NHÂN TỬ
1) (x+2)(x+3)(x+4)(x+5)-24
2) (x2+8x+7)(x2+8x+15)+15
3) x3+4x2+5x+2
4) 2x4-3x3-7x2+6x+8
AI BIẾT CÂU NÀO THÌ GIÚP MÌNH VỚI !!!
1) (4-3x) (10x-5)02) (7-2x) (4+8x) 03) (9-7x) (11-3x) 04) (7-14x) (x-2) 05) (2x+1) (x-3) 06) (8-3x) (-3x+5) 07) (16-8x) (2-6x) 08) (x+4) (6x-12) 09) (11-33x) (x+11) 010) (x-1/4) (x+5/6) 011) (7/8-2x) (3x+1/3) 012) 3x - 2x^2 013) 5x + 10x^2 014) 4x + 3x^2 015) -8x^2 + x 016) 10x^2 - 15x 017) x^2 -4 018) 9 - x^2 019) x^2 -1 020) (x-3) (2x-1) (2x-1) ( 2x+3)21) (5+4x) (-x+2) (5+4x) (7+5x)22) (4+x) (x-5) (3x-8) (x-5) 0 23) (3x-8) (7-21x) - (9+2x) (7-21x)24) (10+ 7x) (x+1) (9x-2)(...
Đọc tiếp
1) (4-3x) (10x-5)=0
2) (7-2x) (4+8x) = 0
3) (9-7x) (11-3x) = 0
4) (7-14x) (x-2) = 0
5) (2x+1) (x-3) = 0
6) (8-3x) (-3x+5) = 0
7) (16-8x) (2-6x) = 0
8) (x+4) (6x-12) = 0
9) (11-33x) (x+11) = 0
10) (x-1/4) (x+5/6) = 0
11) (7/8-2x) (3x+1/3) = 0
12) 3x - 2x^2 = 0
13) 5x + 10x^2 = 0
14) 4x + 3x^2 = 0
15) -8x^2 + x =0
16) 10x^2 - 15x = 0
17) x^2 -4 =0
18) 9 - x^2 = 0
19) x^2 -1 = 0
20) (x-3) (2x-1) = (2x-1) ( 2x+3)
21) (5+4x) (-x+2) = (5+4x) (7+5x)
22) (4+x) (x-5) = (3x-8) (x-5) = 0
23) (3x-8) (7-21x) - (9+2x) (7-21x)
24) (10+ 7x) (x+1) = (9x-2)(x-1)
25) (9x-4) (x-1/2) - (x-1/2) (6+x) = 0
26) 9x^2 - 1 = (3x-1) (x+4)
27) (x+7) (3x+1) = 49-x^2
28) (2x+1)^2 = (x-1)^2
29)x^3- 5x^2+6x = 0
30) 3x^2 + 5x + 2 = 0
Giảii giúpp mìnhh đyy mọii ngườii .
Tìm x
x^2 - 4x - 12 = 0
4x^2 + 4x - 24 = 0
8x^3 - 12x^2 + 6x - 1 = 0
tìm x biết
1, -3x2 + 5x = 0
2, x2 +3x - 2x-6 = 0
3, x2 + 6x - x -6 = 0
4, x2 + 2x - 3x - 6 = 0
5, x2 - 6x - 4x +24 =0
6, x2 - 8x +3x -24 = 0
7, x2 -5x - 24 = 0
giúp mình với, mình cần gấp
giúp mik kiểm tra 2 câu này vs
a) (x+1)(x+9)=(x+3)(x+5)
<=>x^2+10x+9=x^2+8x+15
<=>x^2+10x+9-x^2-8x-15=0
<=>9x-6=0
<=>9x=6
<=>x=6/9=2/3 => S= 2/3
d) (3x+5)(2x+1)=(6x-2)(x-3)
<=>6x^2+13x+5=6x^2-16x+6
<=>6x^2+13x+5-6x^2+16x-6=0
<=>29x-1=0
<=>29x=1
<=>x=1/29
Phan tich da thuc thanh nhan tu
( x^2-6x+ 8)( x^2-8x +15) +1