2
answers
0
watching
26
views
19 Nov 2019
Please help me with this problem(s):
A) 3a/a-7 - 21/a-7
B) x-7/6 + x+8/5
C) n+7/6 - n-1/9
D) 8/3x + 3/8y - 1
E) 5/9n - 21/7n^2
Please show work. Also, can you explain why 4x/x-3 + 9/x-3 =4x+9/x-3 but 3a/a-7 - 21/a-7 does NOT = 3a-21/a-7?
Please help me with this problem(s):
A) 3a/a-7 - 21/a-7
B) x-7/6 + x+8/5
C) n+7/6 - n-1/9
D) 8/3x + 3/8y - 1
E) 5/9n - 21/7n^2
Please show work. Also, can you explain why 4x/x-3 + 9/x-3 =4x+9/x-3 but 3a/a-7 - 21/a-7 does NOT = 3a-21/a-7?
2
answers
0
watching
26
views
For unlimited access to Homework Help, a Homework+ subscription is required.
nicholas287Lv1
7 Jan 2023
Unlock all answers
Get 1 free homework help answer.
Already have an account? Log in
Elin HesselLv2
21 Jun 2019
Get unlimited access
Already have an account? Log in
Related questions
For the best rating please complete by answering all thequestions in one post so I could rate you once you post.
Answers must be correct in order to get best rating.
No common factor m^5 (20m^4 + 6m^2 +20) 2m^5 (10m^4 + 3m^2 +10) |
(0, 0) (0, 1) (1, 1) |
121p^2 + 88p - 16 121p^2 - 16 121p^2 - 88p -16 |
(7, -7) (9, -9) (-7, 7) |
(18x^2 - 2)(x - 5) (3x^2 - 2)(6x - 5) x(18x + 2)(x +5) |
x^2 + 8xy + 8y^2 x^2 + 8xy + 15y^2 x + 8xy + 15y |
54x^14 + 72x^9 54x^14 + 72x^9 -42x^7 54x^14 + 12x^2 -7 |
(15x - 2)(x + 4) (3x - 2)(5x + 4) (3x + 2)(5x -4) |
Trinomial, degree 3 Trinomial, degree18 Trinomial, degree11 |
12x^42 + 9 10x^26 - 2x^14 + 4x^12 +9 4x^8 + 4x^7 + 4x^6 +9 |
-3n^5 + 11n^3 - 3 5n^8 -3n^5 + 11n^3 -9 |
(-2, 4) (-1, 3) No solution |
(4, 1) (4, 0) No solution |
False |
False |
False |
False |
False |
False |
False |