Các câu hỏi tương tự
1. phan tich da thuc thanh nhan tu
a. x^2+3x-5 b. 4x^2-16x+7 c. 5x^2-6x-7 d.x^4+2x^3-4x-4
2. tim x,y bt: x^2+y^2+z^2=xy+yz+zx va x^2012+y^2012+z^2012= 3^2013
3. tim x: a. x^2-4x=21 b. x^2-4x+4=0 c.x^2-6x=2x=11 d. 4^x-12.2^x+32=0
bai 1:phan tich da thuc thanh nhan tua)a5+a+1b)a7+a2+1c)4x4+81d)64x4+y4e)x7+x2-1bai 2:phan tich da thac thanh nhan tua)(x2+2x)(x2+2x+4)+3b)(x2+4x+8)2+3x(x2+4x+8)+2x2c)(x2-x+1)2+3x(x2-x+1)+2x2bai 3:tim xa)16x2-9(x+1)20b)x4+8x2-90c)(x2-x)2+4(x2-x)-120d)x4+6x3+7x2-6x+10
Đọc tiếp
bai 1:phan tich da thuc thanh nhan tu
a)a5+a+1
b)a7+a2+1
c)4x4+81
d)64x4+y4
e)x7+x2-1
bai 2:phan tich da thac thanh nhan tu
a)(x2+2x)(x2+2x+4)+3
b)(x2+4x+8)2+3x(x2+4x+8)+2x2
c)(x2-x+1)2+3x(x2-x+1)+2x2
bai 3:tim x
a)16x2-9(x+1)2=0
b)x4+8x2-9=0
c)(x2-x)2+4(x2-x)-12=0
d)x4+6x3+7x2-6x+1=0
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
Bai 1: Tim x
a) 13x^2-15x-2=0
b)x^4-4x^2+3=0
c) (5x-2)^2+29x-(3x+1)^2=-11x
d) 4(x-2)^2-27(x-2)-7=0
Bai 2: Phan tich da thuc thanh nhan tu
a) 9x^2-25y^2+10y-1
b) (x-2)(x+2)(x^2-10)-72
c) x^3+y(1-3x^2)+x(3y^2-1)-y^3
d) 2x^2-5xy+2y^2
e) x^3-5x^2+3x+9
g) (x^2+3x+2)(x^2+7x+12)+1
h) x^8+x^7+1
X^4+4x^3+5x^2+2x+1
Phan tich da thuc thanh nhan tu
Phan tich da thuc thanh nhan tu :
a) (3x - 2)(5x - 4) - 2(x - 1)(4x - 3) - (2 - 3x)2
b)(9x - 8)3 - (x - x)(x2 + 2x + 1) - (8 - 9x)2
c) (x2y - 4)2 + 4(x2 + y)2
phan tich da thuc thanh nhan tu:
a,x^4-2x^3-12x^2+12x+36
b,x^4+x^3+6x^2+5x+5
c,x^8y^8+x^4y^4+1
d,x^5-x^4+x^3-X^2+x-1
e,x^5+x^4-X63+x62-x+2
g,x(Y^2-z^2)+y(z^2-x^2)+z(x^2-y^2)
1> Timf x
a . x2 - 25 - ( x + 5 ) =0
2 > Timf GTNN cua b thuc
a . A = (x-1)(x-3) +11
b . B= (2x-1)2+ (x-2)2
3> Phan tich da thuc thanh nhan tu
a . x3 + 27 + (x-3)(x-9)
b. 4x2 - 25 - (2x-5)(2x+7)