Question a+3+a+1 Simplify the expression 2a+4 Evaluate a+3+a+1Add the terms More Steps Evaluate a+aCollect like terms by calculating the sum or difference of their coefficients (1+1)aAdd the numbers 2a 2a+3+1Solution 2a+4 Show Solution Factor the expression 2(a+2) Evaluate a+3+a+1Add the terms More Steps Evaluate a+aCollect like terms by calculating the sum or difference of their coefficients (1+1)aAdd the numbers 2a 2a+3+1Add the numbers 2a+4Solution 2(a+2) Show Solution Find the roots a=−2 Evaluate a+3+a+1To find the roots of the expression,set the expression equal to 0 a+3+a+1=0Add the terms More Steps Evaluate a+3+a+1Add the terms More Steps Evaluate a+aCollect like terms by calculating the sum or difference of their coefficients (1+1)aAdd the numbers 2a 2a+3+1Add the numbers 2a+4 2a+4=0Move the constant to the right-hand side and change its sign 2a=0−4Removing 0 doesn't change the value,so remove it from the expression 2a=−4Divide both sides 22a=2−4Divide the numbers a=2−4Solution More Steps Evaluate 2−4Reduce the numbers 1−2Calculate −2 a=−2 Show Solution