6. Add 4x2 + 3x + 10 from - 10x2 - 2x + 3
A. - 6X2 + x + 13 B. 14x2 + 5x + 13 C. 6x2 - x +7 D. - 14x2 -5x - 7
7. What would be the difference if 5x – 3y is taken from 8x - 4y + 2z?
A. 13x + 7y
B. 13x + y + z
C. 3x-y + 2z D. 3x + 2z
8. The value of three quantities A, B and C are 2x2 + 3x -5,- 8x2 + 42 and 18x2 - 4x -9,
respectively. Give the total value of the three quantities.
A. 28x2x-28 B. 12x2-x+ 28 C. 12x2 + x + 28 D. 12x + x - 28
9. Subtract x - 15x - 3 from 4x2 + 5x - 4.
A. 3x2 + 20x-1 B. 5x? - 10x - 7 C. 3x2 - 10x-7 D. 3x2 - 20x
10. What is the sum of 3x2 - 11x + 12 and 18x + 20– 100 ?
A 24x2 + 31x + 112
B. 21x2 + 9x - 88
C. 21x + 31x + 102
D. 15X? + 9x -88
11. What is the value of (7x+y)3?
A. 7x®
B.7x2y + 7x y + 7xy
C. (3) ( 7x{y)
D. (7x²y)(7* y) (7x2y)
12. Evaluate 8xº
A. O
B. 1
C. 8
D.X
2-2​