Math: Grade 12 ..help! needed fast...?

Question

1. solve 4|x + 1| + 3 > 10 - 3|x + 1|

2. determine the polynomial whose roots are: 0, 4 +or- root 2

Answer 1

1. Solve for x.

4|x + 1| + 3 > 10 - 3|x + 1|
7|x + 1| > 7
|x + 1| > 1

x + 1 > 1
x > 2

or
-x - 1 > 1
-x > 2
x < -2

So the solution is

x < -2 or x > 2
_____________

2. Determine the polynomial whose roots are: 0, 4 ±√2

x(x - 4)(x + √2)(x - √2)

Answer 2

1. x = all real numbers except -1
2. x^3 -8x^2 + 14x