SOLUTION: hello. please help me with these.. ( ' means exponet # after) Solve each equation. 1. 2x'3 – 5x'2 – 3x + 2 = 2 2. x'3 + 64 = 0 3. x4 – 8x'2 – 9 = 0

You can put this solution on YOUR website!
Solve:
1) Subtract 2 from both sides.
Factor an x from the left side.
Factor the the parentheses.
Apply the zero product rule.
or or , so...



-------------
2) This is a sum of cubes.
This can be solved thus:
Applying the zero product rule:
or
or



or and these can be expressed in terms of i, as:
or
--------------------------------------------------------------------
3) Rewrite in terms of
Factor this.
Apply the zero product rule:
or , so...
Take the square root of both sides.
or or, in terms of i,
or

Take the square root of both sides.
or