Multiply the polynomials

How do you multiply these?
(6x - 1)(x² + 4x - 2) 

= 6x(x²) + 6x(4x) + 6x(-2) - 1(x²) - 1(4x) - 1(-2)   {used distributive property}
= 6x³ + 24x² - 12x - x² - 4x + 2   {multiplied through}
= 6x³ + 23x² - 16x + 2   {combined like terms}

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