I have been out of math for years and I am stuck on 3-4 problems of my first struggle since returning to school
10x(to the 9th power) = 2x( ) I think it's 5x to the 8th power but am I forgetting some rules or something?
x(to the 2nd power) + 27 + 28 I believe it's prime but I may be wrong. none of the other answers work out for me or is it (x+28)(x-1)
how do I work out something like x(to the 4th power) -1
2nd question I am factoring completly, and if the polynomial is prime I choose that answer my other options are
(x+7)(x-4) - is option A.
(x+28)(x-1) - opttion B
prime - option C
(x+28)(x+1) option D.
with x^4 - 1 these are my options
(x^2+1) (x-1)(x+1) option A
(x-2)(x^2 +2x +4) -C
I am having more problems on the ones you seem good at
does x^6+1 work out this way
(x^3) + (1)^2 = (x^3-1)(x^3+1) = (x^3 +1) (x^3-1) did I do that right or is it something like (x+1)(x-1)(x^4-x^2+1)
Now you need to use the difference of two CUBES on
You can also tidy up using the SUM of two CUBES formula.
=> your overall answer
Hope that helps