HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Rút gọn biểu thức
1) (x - 3y)'3 - (x - 2y)(2y + x)
2 (-x - 2y)'3 + x(2y - x)(x + 2y)
3) -(2x - y)'3 -x(2x - y)'2 - y'3
4) -x(x - y)'2 + (x - y)'3 + y'2(y - 2x)
Rút gọn các biểu thứ sau
1) (x + 1)'3 - (x - 4)(x + 4) - x'3
2) (x + 2)'3 - x(x + 3)(x - 3) - 12x'2 -8
3) (x - 2)'3 - x(x - 2)(x + 2) + 6x(x - 3)
4) x(x - 5)(x + 5) - (x - 5)'3 + 100x
1) 2x + y)'3 - 2(y - x)'3
2) (2x - 3)'3 - 2x(2x + 1)'2
3) (3x -1)'2 -27x'2(x + 1)
4) (2x + 1)'3 - 8x(x - 1)'2
Tìm x biết
1) (2x - 1)'2 - (4x'2- 1) =0
2) (x + 2)'2 -x(x - 3) =2
3) (x - 5)'2 - x(x + 2) =5
4) (x - 1)'2 + x(4 - x) =11
5) (x - 3)(x + 3) =(x - 5)'2
6) (2x + 1)'2 - 4x(x - 1) =17
7) (3x + 1)'2 - 9x(x - 2) =25
8) (3x - 2)(2x + 2) - 9(x - 1)x =0
9) (x + 2)'2 - (x - 2)(x + 2) =0
10) (x + 2)'2 - (x - 3)(x + 3) =-3
Tìm x biết x
1) (2x - 3)'2 - (x - 1)'2 =0
2) (2x + 1)'2 - (x - 1)'2 =0
3) (3x- 5)'2 - (x + 1)'2 =0
4) (x + 2)'2 - (2x - 5)'2 =0
5) (3x - 1)'2 - (x + 5)'2 =0
6) (2x - 3)'2 - (x + 5)'2 =0
7) (3x - 4)'2 - (x + 2)'2 =0
8) (2x - 1)'2 - (3 - x)'2 =0
Thực hiện phép tính
5) (x - 2)'2 + (x - 1)(x + 5)
6) (x + 3)(x - 3) - x(23 + x)
7) (1 - 2x)(5 - 3x) + (4 - x)'2
8) (x - 2)(x + 2) - (x +3)(x - 1)
9) (x + 1)'2 + (x - 2)(x + 2) - 4x
10) (x + 2)'2 - (x + 3)(x - 3) +10
1) x(1 - x) + (x - 1)'2
2) (x - 3)'2 - x'2 + 10x -7
3) (x + 2)'2 - (x - 3)(x + 1)
4) (x + 4)(x + 2) - (X - 3)'2