Question 642740
7{[5(a-5)+19]-[2(4a-3)+4]}


7{[5a-25+19]-[8a-6+4]}


7{[5a-6]-[8a-2]}


7{5a-6-8a+2}


7{-3a-4}


-21a-28


So the original expression simplifies to <font color="red">-21a-28</font>