How do you factor 8x^3 - 3x^2 + 16x - 6?

1 Answer
Nghi N
Apr 23, 2018

(x^2 + 2)(8x - 3)

Explanation:

Factor by grouping:
y = 8x^3 + 16x - 3x^2 - 6
y = 8x(x^2 + 2) - 3(x^2 + 2)
y = (x^2 + 2)(8x - 3)
You can put further with complex numbers -->
y = (x - isqrt2)(x + isqrt2)(8x - 3)

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