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kitsune0724
Is (x+8) a factor of x^2+16x+64? I got (x+8). Please check my work. Thank you.
Try this site. http://www.wolframalpha.com/
it didn't but thank you.
Did you try multiplying out the factors you found? The product of all the factors should give you the original polynomial.
\[(x+8)(x+8)\]\[x^{2} + 8x +8x + 64\]\[x^{2} + 16x +64\]
I did do that but I just wanted to be sure. Thank you.