Các câu hỏi tương tự
rút gọn các phân thức:
a,\(\frac{a^2\left(b-c\right)+b^2\left(c-a\right)+c^2\left(a-b\right)}{ab^2-ac^2-b^3+bc^2}\)b,\(\frac{2x^3-7x^2-12x+45}{3x^3-19x^2+33x-9}\)c,\(\frac{x^3-y^3+z^3+3xyz}{\left(x+y\right)^2+\left(y+z\right)^2+\left(z-x\right)^2}\)
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
Rút gọn
a)A= 2x^3 – 7x^2 – 12x + 45
3x^3 – 19x^2 + 33x -9
b) B= x^3 – y^3 + z^3 + 3xyz
( x + y)^2+ (y+z)^2+ (z- x)^2
c) C= x^3 + y^3 +z^3 - 3xyz
(x – y) ^2 +( y- z) ^2 +( z- x )^2
RUT GON PHAN THUC
1) \(\frac{\left(x-y\right)^3-3xy\left(x+y\right)+y^3}{x-6y}\)
2) \(\frac{a^2\left(b-c\right)+b^2\left(c-a\right)+c^2\left(a-c\right)}{ab^2-ac^2-b^3+bc^2}\)
3) \(\frac{2x^3-7x^2-12x+45}{3x^3-19x^2+33x-9}\)
PHAN TICH DA THUC THANH NHAN TU
B= X^3+Y^3+Z^3-3XYZ
X^3+Y^3+Z^3-3xyz
phan tich da thuc thanh nhan tu
phan tich da thuc thanh nhan tu
x^3+y^3+z^3-3xyz
Rút gọn biểu thức :1. frac{2^{4m}-2^{4n}}{2^{2n}+2^{2m}}2. frac{a^2left(b-cright)+b^2left(c-aright)+c^2left(a-bright)}{ab^2-ac^2-b^3+bc^2}3. frac{2x^3-7x^2-12x+45}{3x^3-19x^2+33x-9}4. frac{x^3-y^3+z^3+3xyz}{left(x+yright)^2+left(y+xright)^2+left(z-xright)^2}5. frac{x^3+y^3+x^3-3xyz}{left(x-yright)^2+left(y-zright)^2+left(z-xright)^2}Please, help me!~~~ Pt2
Đọc tiếp
Rút gọn biểu thức :
1. \(\frac{2^{4m}-2^{4n}}{2^{2n}+2^{2m}}\)
2. \(\frac{a^2\left(b-c\right)+b^2\left(c-a\right)+c^2\left(a-b\right)}{ab^2-ac^2-b^3+bc^2}\)
3. \(\frac{2x^3-7x^2-12x+45}{3x^3-19x^2+33x-9}\)
4. \(\frac{x^3-y^3+z^3+3xyz}{\left(x+y\right)^2+\left(y+x\right)^2+\left(z-x\right)^2}\)
5. \(\frac{x^3+y^3+x^3-3xyz}{\left(x-y\right)^2+\left(y-z\right)^2+\left(z-x\right)^2}\)
Please, help me!~~~ Pt2
phan tich da thuc thanh nhan tu
3x^3 +12x^2 +12x