a)\(3x^2-11x+6=3x^2-9x-2x+6=3x\left(x-3\right)-2\left(x-3\right)=\left(3x-2\right)\left(x-3\right)\)
b)\(8x^2+10x-3=8x^2+12x-2x-3=4x\left(2x+3\right)-\left(2x+3\right)=\left(4x-1\right)\left(2x+3\right)\)
c)\(8x^2-2x-1=8x^2+2x-4x-1=2x\left(4x+1\right)-\left(4x+1\right)=\left(2x-1\right)\left(4x+1\right)\)
phan tich da thuc thanh nhan tu : a) 3x^2 - 22xy + 4x + 8y + 7x^2 + 1 ; b) 12x^2 + 5x - 12y^2 + 12y - 10xy - 3 ; c)x^4 + 6x^3 + 11x^2 + 6x + 1
Phan tich da thuc thanh nhan tu
a,(x2+3x+1)(x2+3x-3)-5
b,(3x-2)2 (6x-5)(6x-3)-5
c,x4+6x3+11x2+6x+1
d,x4+5x2+9
f,a3(c-b2)+b3(a-c2)+c3(b-a2)+abc(abc-1)
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
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
phan tich da thuc thanh nhan tu 6x4+x3-3x2-17x-5
phan tich da thuc sau thanh nhan tu
x^3+3x^2+4x+2
6x^4-x^3-7x^2+x+1
giup minh nhe cam on nhieu
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)
phan tich da thuc thanh nhan tu:
(x+1)(x+2)(x+3)(x+4)-24
x^4+6x^3+x^2+6x+1
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
