\(=x^2\left(x^2-2\right)\left(=x^2\left(x-\sqrt{2}\right)\left(x+\sqrt{2}\right)\right)\)
Cái trong ngoặc là cho lp 9
\(=x^2\left(x^2-2\right)\left(=x^2\left(x-\sqrt{2}\right)\left(x+\sqrt{2}\right)\right)\)
Cái trong ngoặc là cho lp 9
phân tích
1,(x-2)^4+(x-3)^4-1
2,(x-1)^4+(x+3)^4-512
3,(x-2)^6+(x-4)^6-64
4,x^4-3x^3+6x^2+3x+1
5,3x^4-2x^3-15x^2-2x+3
6,x^6-2x^5-4x^4+6x^3+4x^2-2x-1
2)x^2-2xy+y^2-2x+2y
3)3x^2-2x-5
4)16-x^2+4xy-4x^2
5)x^2-2x+1-y^2
6)x^2+8x+15
7)(x^2+6x+8)(x^2+14x+48)-9
8)(x^2-8x+15)(x^2-16x+60)-24x^2
9)x^5+x^4+1
10)x^4-x^3-10x^2+2x+4
phân tích đa thức thành nhân tử
a) 4x (a-b) +6xy(b-a)
b) (6x+3) - ( 2x-5) (2x+1)
c) 4 ( x-3)^2 +2x (3-x)
d) x^4 +2x^2 -4x-4
e) 2x (x+y) -x -y
g)( 3x-1 )^2 - (x+3)^2
1. x^2-y^2-2x+2y 2. x^3-x+3x^2y+3xy^2+y^3-y. 3. 4x^4y^4+1. 4. x^2-2x-4y^2-4y. 5.x^3-x^2-x+1. 6.x^2y-x^3-9y+9x. 7.x^3-2x^2+x-xy^2. 8.x^2-2x-4y^2-4y.
A=X^4+2X^3 -4X-4
B=X^2x(1-X^2)-4-4X^2
Phân tích đa thức thành nhân tử
\(2x^4+3x^3-9x^2-3x+2 \)
\(x^4-3x^3-6x^2+3x+1\)
\(x^4-8x^2-x+12\)
\(x^4-x^3-10x^2+2x+4\)
\((x+2)^4+(x+8)^4-272\)
\((3-x)^4+(4x-x)^4-(7-2x)^4\)
\(2x^4-x^3y+3x^2y^2-xy^3+2x^4\)
a) x(2x - 1) - (x - 2)(2x + 3) = 5
b) (x - 3)2 - 25 = 0
c) (x - 1) (2 - x) + (x + 3)2 = 4 - 2x
Bài 4 : Phân tích đa thức thành nhân tử
a. x4 - 4x2 - 5
b. ( 2x + 1)4 - 3( 2x + 1)2 + 2
c. x( x- 1) ( x+1) ( x - 2 ) -3
d. ( x2 + 2x - 1 ) 2 - 3x( x2 + 2x - 1) + 2x2
j) (2x – 1)(3x + 1) – (4 – 3x)(3 – 2x) = 3
k) (2x + 1)(x + 3) – (x – 5)(7 + 2x) = 8
m) 2(3x – 1)(2x + 5) – 6(2x – 1)(x + 2) = - 6
tìm X nhé