Question 593297
2x(5x^2-4x+4)
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You didn't say, but you probably want to multiply those.
2x(5x^2 - 4x + 4)
= 2x*5x^2 - 2x*4x + 2x*4
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2x*5x^2 = 10x^3
2*5 = 10
x*x^2 = x^3 (add the exponents when you multiply)
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2x*4x = 8x^2
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--> {{{10x^3 - 8x^2 + 8x}}}