Question Simplify the expression 7a Evaluate 3a+4aCollect like terms by calculating the sum or difference of their coefficients (3+4)aSolution 7a Show Solution Find the roots a=0 Evaluate 3a+4aTo find the roots of the expression,set the expression equal to 0 3a+4a=0Add the terms More Steps Evaluate 3a+4aCollect like terms by calculating the sum or difference of their coefficients (3+4)aAdd the numbers 7a 7a=0Solution a=0 Show Solution