Someone answer these quick please!
Can you please get 1-8 done
1.
10a – 8b
(-) 4a + 5b
2.
5b + 3c
(-) 4b + 3c
3.
6d + 6e
(-) 9d – 8e
4.
8x – 3y
(-) -4x + 8y
5.
6rs – 7bc
(-) 9rs – 7bc
6.
5xy – 9cs
(-)-3xy + cs
7.
x^2 – 6x + 5
(-) 3x^2– 2x – 2
8.
3y^2 – 2y – 1
(-) -5y^2– 2y + 6
9.
(7a + 6b – 9c) – (3a – 6c)
10.
(x^2 – 9) – (-2x^2 + 5x – 3)
11.
(5 – 6d – d^2) – (-4d – d^2)
12.
(-4x + 7) – (3x – 7)
13.
(4a – 3b) – (5a – 2b)
14.
(2c + 3d) – (-6d – 5c)
15.
(5x^2 + 6x – 9) – (x^2 – 3x +7)
16.
(3y – 6) – (8 – 9y)
17.
(3a^2 – 2ab + 3b^2) - (-a^2 – 5ab + 3b^2)
18.
5c – [8c – (6 – 3c)]
19.
10x + [3x – (5x – 4)]
20.
3x ^2 – [7x- (4x – x2) + 3]
21.
x^2 – [ - 3x+ ( 4 – 7x)]