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Question

9:
(x3 + 4x2 - 2x + 5) - (3x3 - 3x2 + x - 2)
-2x3 + x2 - x + 3
-2x2 + 7x - 3x + 3
-2x3 + 7x2 - 3x + 7

10: Factor the following polynomials.
3x2 + 7x + 2
(3x + 3)(x + 2)
(3x + 1)(x + 2)
(x + 1)(x + 2)

11:
x4 + x2 - 6
(x2 - 2)(x2 + 3)
(x2 + 2)(x2 + 3)
(x2 - 2)(x2 + 2)

12:
64x2 - 9
(8x + 3)(x + 3)
(8x – 3)(8x + 3)
(4x – 3)(2x - 3)

13:
x3 - 1
(x – 1)(x2 + x + 1)
(x – 1)(x2 + 1)
(x – 1)(x2 + x - 1 )

14:
54x7 + 16x
x(3x2 + 2)(9x4 - 6x2 + 3)
2x(3x2 + 2)(9x4 - 6x2 + 4)
2x(3x2 + 1)(9x4 - 6x2 + 3)

15: Solve the following equations.
12m2 + 7m = -1
0, -5
-3/4, 3/2
-1/3, -1/4

16:
8(c3 - c) = c (6c + 1)
2, -5
0, -3/4, 3/2
3/4, 3/2

17: Simplify the following rational expressions:

(x2 - 1) · (x2 + 5x + 6) · (x2 - x - 20)
(x2 - 3x - 10) (x2 - 3x – 4) (x2 + 2x – 3)
(x + 4) / (x - 4)
(x + 4)(x - 4)
(x + 4) / (x + 4)

18:

(6x – 9) ÷ (6 – 13x + 6x2)
(5x +1) (15x2 - 7x – 2)
2
3
2x + 1
19:

(y – x) + (x + y)
(x2y) (xy2)
x2 + xy2
(2x2 + y2) / (x2y + 1)
( y2 + x2) / (x2y2)

Answer 1

We are not here to do your homework, especially this much, for a crummy 2 points.

Answer 2

And where did you sneak in problems 1 through 8? I'm sure you would like us to do those for you, too.