Question 892294
Use the distributive property,
{{{(4n+4)(7n-3)=(4n+4)(7n)+(4n+4)(-3)}}}
{{{(4n+4)(7n-3)=28n^2+28n-12n-12}}}
{{{(4n+4)(7n-3)=28n^2+16n-12}}}
{{{(4n+4)(7n-3)=4(7n^2+4n-3)}}}