Question 352557
{{{f(x)=-5x^2-2x+3}}}
{{{g(x)=6x+4}}}
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{{{f(g)=-5g^2-2g+3}}}
{{{f(g)=-5(6x+4)^2-2(6x+4)+3}}}
{{{f(g)=-5(36x^2+48x+16)-(12x+8)+3}}}
{{{f(g)=-180x^2-240x-80-12x-8+3}}}
{{{highlight(f(g)=-180x^2-252x-85)}}}