phân tích đa thức thành nhân tử 2a^2b+4ab^2-a^2c+ac^2+4b^2c+2bc^2-4abc
2a2b+4ab2−a2c+ac2−4b2c+2bc2−4abc2a^2b +4ab^2-a^2c +ac^2-4b^2c +2bc^2-4abc2a2b+4ab2−a2c+ac2−4b2c+2bc2−4abc
=(2a2b+4ab2−2abc−4b2c)−(a2c+2abc−ac2−2bc2)=\left(2a^2b+4ab^2-2abc-4b^2c\right)-\left(a^2c+2abc-ac^2-2bc^2\right)=(2a2b+4ab2−2abc−4b2c)−(a2c+2abc−ac2−2bc2)
=2b(a2−ac+2ab−2bc)−c(a2−ac+2ab−2bc)=2b\left(a^2-ac+2ab-2bc\right)-c\left(a^2-ac+2ab-2bc\right)=2b(a2−ac+2ab−2bc)−c(a2−ac+2ab−2bc)
=(a2−ac+2ab−2bc)(2b−c)=\left(a^2-ac+2ab-2bc\right)\left(2b-c\right)=(a2−ac+2ab−2bc)(2b−c)
=[a(a−c)+2b(a−c)](2b−c)=\left[a\left(a-c\right)+2b\left(a-c\right)\right]\left(2b-c\right)=[a(a−c)+2b(a−c)](2b−c)
=(a+2b)(a−c)(2b−c)=\left(a+2b\right)\left(a-c\right)\left(2b-c\right)=(a+2b)(a−c)(2b−c)
tim GTNN cua x2-x+3
GTLN cua -x2+6x-8
phan tich da thuc thanh nhan tu
x^2-3x+3y-y^2
Phân tích đa thức sau thành nhân tử:
x^2y + xy^2 + x^2z + xz^2 + y^2z + yz^2 + 3xyz
a^2 ( b - c ) + b^2 ( c - a ) + c^2 ( a - b )
49(y-4)2-9y2-36y-36
Phan tich da thuc thanh nhan tu
(a−b)3+(b−c)3+(c−a)3\left(a-b\right)^3+\left(b-c\right)^3+\left(c-a\right)^3(a−b)3+(b−c)3+(c−a)3
a) a2(b−c)+b2(c−a)+c2(a−b)a^2\left(b-c\right)+b^2\left(c-a\right)+c^2\left(a-b\right)a2(b−c)+b2(c−a)+c2(a−b)
b) a3(b−c)+b3(c−a)+c3(a−b)a^3\left(b-c\right)+b^3\left(c-a\right)+c^3\left(a-b\right)a3(b−c)+b3(c−a)+c3(a−b)
c) a4(b−c)+b4(c−a)+c4(a−b)a^4\left(b-c\right)+b^4\left(c-a\right)+c^4\left(a-b\right)a4(b−c)+b4(c−a)+c4(a−b)
d) (a+b)(a2−b2)+(b+c)(b2−c2)+(c+a)(c2−a2)\left(a+b\right)\left(a^2-b^2\right)+\left(b+c\right)\left(b^2-c^2\right)+\left(c+a\right)\left(c^2-a^2\right)(a+b)(a2−b2)+(b+c)(b2−c2)+(c+a)(c2−a2)
e) a.(b+c)2(b−c)+b(c+a)2(c−a)+c2(a+b)2.(a−b)a.\left(b+c\right)^2\left(b-c\right)+b\left(c+a\right)^2\left(c-a\right)+c^2\left(a+b\right)^2.\left(a-b\right)a.(b+c)2(b−c)+b(c+a)2(c−a)+c2(a+b)2.(a−b)
Phân tích đa thức thành nhân tử: (x2 + 4x + 8)2 + 3x(x2 + 4x + 8) + 2x2
1.Viet bieu thuc sau duoi dang binh phuong cua mot tong:
2xy2 +x2y4 +1
2. Phan tich da thuc thanh nhan tu:
a) 3x2 - 7x -10
b) 2x2 -5x -7
HELP ME!!!!*!*
Phân tích đa thức thành nhân tử :
A=(x2+4x)2−2(x2+4x)−15\left(x^2+4x\right)^2-2\left(x^2+4x\right)-15(x2+4x)2−2(x2+4x)−15