Find all zeros by factoring each function.
1)
f(x)=x²-x²-30

2)
f(x)=x²-2x² + x

3)
Divide by using long division
27x³ + 9x²-3x - 10
3x - 2

4)
Determine whether (x-1) is a factor of f(x) = (x³ + 2x² - 2x-1)

Some questions are wrong please look at the picture for the questions