Factor x^4+27x. Please! I don't even know where to start.
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First step, you look to see if there are any common factors. There is, x. So factor out an x
Notice this is a sum of cubes
+ b3 = (a + b)(a2
– ab + b2)
Now we will see if we can factor (x^2-3x+9)
It is not factorable, so you are done.
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