Question

Exercise 5.1
1. Add the following:
a) (&r?+ 1) + (3x - 2)
b) yx - yz, zy - 2x, x2 - Ty
c) 2xy + 2xy, y + z-v2, z-x + x2 d) 2a'b? - 3ab + 5, 3-9ab + 3a'b
e) 3Fmn - Im'n, 21m'n + Imrr', - 3Imn + 27mn
2. Find the difference of the following:
a) (-5x+x-11) -(6r+- 2x) b) (8x - 9xy + y -- 35) - (4x - llxy + 4y + 6)
c) (90 - 19x + 11) -(192 - 4x + 6) d) (1lab - 2bc - Sca + 12abc) - (Sab + Sbe - Tac)
e) (15 - 9x - 21y + 8yz - 4x'y + 7yx)-(3x+y - 6x + 4xy?-8y + 5x-11)
3. Simplify the following:
a) (2x - 5x + 8) - (x + 3x - 2) + (14 - 12x)
b) (102 - 4x2 + 3x) - (r-x + 1) - (50x - 3)
c) (17x - 3+ 7x)-(r - 2x + 17)-(3x - 574 - 10x + 1)
d) (x2 - 6x + 5) + (x2 + x - 2) - (16 - 13x)
4. How much is 5xy + y greater than xºy - 2y?
5. What should be added to 2a - b + c to make it a + b - 2c?
6. Subtract 3p - 2q + r from 9p + 2q and add the result top - 3p+p-r.​

Answer 1

Answer:

Step-by-step explanation:

6)  2 • (9p2 + 4q2)        

 —————————————

 (3p - 2q) • (p + q) • (3p + 2q)