\(=x^2y^3\left(1-\dfrac{1}{2}x^2y^5\right)\)
\(=x^2y^3\left(1-\dfrac{1}{2}x^2y^5\right)\)
Phan tich da thuc sau thanh nhan tu : (x+1)(x+2)(x+3)(x+4)-8
phan tich da thuc thanh nhan tu
\(\left(x^2-y^2+1\right)^3-x^6-y^6-1\)
phan tich da thuc thanh nhan tu
3(x4+x2+1)-(x2+x+1)2
phan tich da thuc thanh nhan tu:
x^2-xy-2y^2
phan tich da thuc thanh nhan tu
a)x4+x2+x+1
b)11x4+4x2-5
Phân tich da thuc thanh nhan tu :
X^2-2xy+y^2+2x-2y
Bài 2 : rút gon
X^3+2x2y+xy^2 phần ( k viết dau gach ngang dc)x^2-y^2
phan tich cac da thuc sau thanh nhan tu :
a,2x+ 2y
b,5x+20y
c,6xy-30y
d,5x(x-110-10y(x-11)
e,x\(^3\)-4x\(^2\)+x
f,x(x+y)-(2x+2y)
h,5x(x-2y)+2(2y-x)
i,x\(^2\)y\(^3\)-\(\dfrac{1}{2}\)x\(^4\)y\(^8\)
j, a\(^2\)b\(^4\)+a\(^3\)b-abc
k, -x\(^2\)y\(^2\)z-6x\(^3\)y-8x\(^4\)z\(^2\)-9x\(^5\)y\(^5\)z\(^5\)
l, 7x(y-4)\(^2\)-(4-7)\(^3\)
Phan tich da thuc sau thanh nhan tu:
a) \(a\left(b+c\right)^2+b\left(c+a\right)^2+c\left(a+b\right)^2\)
b)\(a^4+b^4+c^4-2a^2b^2-2a^2c^2-2c^2b^2\)
phan tich da thuc A=(x-y)z^3+(y-z)x^3+(z-x)y^3