Question 310468
simplify : (4j to the 4th power plus four)-(8j minus 6)+ (7j to the fourth power plus 4j) 
:
{{{(4j^4 + 4)-(8j - 6)+ (7j^4 + 4j)}}}
:
remove the brackets, the minus changes the signs
{{{4j^4 + 4 - 8j + 6 + 7j^4 + 4j}}}
:
Group like terms
{{{4j^4 + 7j^4 - 8j + 4j + 4 + 6}}}
:
Combine
{{{11j^4 - 4j + 10}}}