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How do you combine $2 x (3 x^{2} - 5)$ $2x(3x^2 - 5)$ ?

1 Answer

Jun 4, 2015

Based on the distributive property: $a (p - q) = (a p - a q)$ $a(p-q) = (ap -aq)$

So
$XXXX$ $color(white)("XXXX")$ $2 x (3 x^{2} - 5) = (2 x) (3 x^{2}) - (2 x) (5)$ $2x(3x^2-5) = (2x)(3x^2) - (2x)(5)$

$XXXX$ $color(white)("XXXX")$ $= 6 x^{3} - 10 x$ $= 6x^3 - 10x$

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