Các câu hỏi tương tự
a, x^3-x^2-4x^2+8x-4
b, 4x^2-25-(2x-5)2x+7
c, x^3+27+(x+3)(x-9)
d, 2x^2-2y^2+5x-5y
e, x^2-y^2-2y-1
phan tich da thuc thanh nhan tu
Cach phan tich da thuc thanh nhan tu
a)X^3+2X^2+2X+1
b)X^3-4X^2+12X-27
c)a^6-a^4+2a^3+2a^2
d)x^4+2x^3+2x^2+2x+1
e)x^5+x^4+x^3+x^2+x+1
Phan tich da thuc thanh nhan tu
1) (2x+1)^2 - (x-1)^2
2) 9(x+3)^2 - 4(x-2)^2
3) 25(2x - y) ^2 - 16(x+2y)^2
4) x^4 + x^3 +x + 1
5) x^3 + 3x^2 + 3x + 1 -8y^3
Tìm x biết :
a, (x-2).(x2 +2x +7) +2.( x2-4) -5 .(x-2) =0
b, 4x2 -25 -(2x-5) .(2x+7) =0
c, x3 +27 + (x+3) .(x-9)=0
Phan tich da thuc thanh nhan tu:
1)P= 9(x+3)^2 - 4(x-2)^2
2) P= 25(2x-y)^2 - 16(x+2y)^2
phan tich da thuc thanh nhan tu
a)a^2x+a^2y-7x-7y
b)x^4-x^3-x+1
c)x.(x+1)^2+x.(x-5)-5.(x+1)^2
d)a^3-a^2x-ay+xy
Tìm x, biết:a) 3x(x - 1) + x - 1 0;b) (x - 2)(
x
2
+ 2x + 7) + 2(
x
2
- 4) - 5(x - 2) 0;c)
(
2
x
-
1
)
2
- 25 0;d)
x
3
+ 27 + (x + 3)(x - 9) 0.
Đọc tiếp
Tìm x, biết:
a) 3x(x - 1) + x - 1 = 0;
b) (x - 2)( x 2 + 2x + 7) + 2( x 2 - 4) - 5(x - 2) = 0;
c) ( 2 x - 1 ) 2 - 25 = 0;
d) x 3 + 27 + (x + 3)(x - 9) = 0.
phan tich da thuc sau thanh nhan tu
a x^3-9x^2+15x+25
b x^3-4x^2-11x+30
c 2x^4+x^3-22x^2+15x-36
phan tich da thuc thanh nhan tu (x+1)(x+2)(x+4)(x+5)-40
b)2x3+3x2+6x+5
c)x4-4x3-19x7+106x-120