Question 884358
{{{h(t)=2t^2+6t-5(f(t))}}}
{{{h(t)=2t^2+6t-5(4t^2-3t)}}}
{{{h(t)=2t^2+6t-20t^2+15t}}}
{{{h(t)=-18t^2+21t}}}
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{{{g(x)=-4x^3-6x^2-2x+6-f(x)}}}
{{{g(x)=-4x^3-6x^2-2x+6-(4x^2-3x)}}}
{{{g(x)=-4x^3-10x^2+x+6}}}