Các câu hỏi tương tự
Tinh x
a)3.(2x-1)-x.(3x-2)=3x.(1-x)+2
b)2x3.(2x-3)-x2.(4x2-6x+2)=0
thuc hien phep nhan
(x2+x+1).(x3-x2+1)
giup minh nha thu bay minh nop cho thay roi cam on
BAI 1 TINH
x ^ 2 . x - 2x^3
6 x^2 y . 3 xy - 2y ^2 .x +y
4x^2 + 5x -1 . 2x^3 - 3x
- 8 x^3y + 2 y^4 . 3xy^3 - 2 x^4 + 7y ^4
CAC BAN OI GIUP MINH NHE MINH DANG CAN GAP
Bai 1: Thuc hien phep tinha) 2x(3x2-5 X+3). b) -2X ( x2+5x-3). c) --1/2x2(2x3-4x+3).Bai 2 Thuc hien phep tinh.a) (2x-1)(x2+5-4). b) -(5x-4)(2x+3). c) (2x-y)(4x2-2xy+y2).d) (3x-4)(x+4)+(5-x)(2x2+3x-1). e)7x(x-4)-(7x+3)(2x2-x+4)
Đọc tiếp
Bai 1: Thuc hien phep tinh
a) 2x(3x2-5 X+3). b) -2X ( x2+5x-3). c) --1/2x2(2x3-4x+3).
Bai 2 Thuc hien phep tinh.
a) (2x-1)(x2+5-4). b) -(5x-4)(2x+3). c) (2x-y)(4x2-2xy+y2).
d) (3x-4)(x+4)+(5-x)(2x2+3x-1). e)7x(x-4)-(7x+3)(2x2-x+4)
giup to 3 bai nay
1. gia tri cua x thoa man (2x+3)(x+1)2-(2x+3)(2x-3)
2. so nghiem cua da thuc x3+6x2+11x+6 la ?
3. bieu thuc C = 8-5x-2x2 dat gia tri lon nhat tai x = ?
giup to 3 bai nay
1. gia tri cua x thoa man (2x+3)(x+1)2-(2x+3)(2x-3)
2. so nghiem cua da thuc x3+6x2+11x+6 la ?
3. bieu thuc C = 8-5x-2x2 dat gia tri lon nhat tai x = ?
1) Phan tich da thuc sau thanh nhan tu: x2-x-2008.2009
2) Chung minh rang voi moi x,y,z ta luon co: x2+4y2+z2>=2x+12y+4z
3) Cho a-b=4. Tinh gia tri cua bieu thuc: a3-12ab-b3
cac ban lam duoc cau nao thi giup mik nha. mik dang can gap lam
Thuc hien cac phep tinh
a) \(\frac{4x^2}{5y^2}:\frac{6x}{5y}:\frac{2x}{3y}\)
b) \(\frac{x^2-4}{3x+12}.\frac{x+4}{2x-4}\)
c) \(\frac{x^2-36}{2x+10}.\frac{3}{6-x}\)
bai 1 tinh
a (x-2)(x^2+2x+4)-x(x^2-1)
b (x+1)(x-3)-(x+4)(x-4) lam nhanh giup em nha cam on
Thuc hien phep tinh :
a) \(\frac{4-x}{x^3+2x}-\frac{x+5}{x^3-x^2+2x-2}\)
b) \(\frac{3x-23}{\left(3x-3\right)\left(x+4\right)}-\frac{x-3}{x^2+5x+4}\)