Question 197542
{{{-4x^5(-3x^5+2x^2-4)}}} Start with the given expression.



{{{-4x^5(-3x^5)-4x^5(2x^2)-4x^5(-4)}}} Distribute



{{{12x^(10)-8x^7+16x^5}}} Multiply. Note: when you multiply common variables, you add the exponents.



So {{{-4x^5(-3x^5+2x^2-4)=12x^(10)-8x^7+16x^5}}}