How do you factor x^3+4x^2+16x+64?
If you can, please include the steps.
I don't get this at all.
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If you can, please include the steps.
I don't get this at all.
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Verified answer
x^3 + 4x^2 + 16x + 64
Try grouping
x^2(x + 4) + 16(x + 4) = (x + 4)(x^2 + 16)
Check
QED
x = -4 is a somewhat obvious root...[x+4][x² +16 = [x+4][x+4i][x-4i]]
=(x+4)(x^2+16)
God bless you.