Question Simplify the expression −70a Evaluate 250a−320aCollect like terms by calculating the sum or difference of their coefficients (250−320)aSolution −70a Show Solution Find the roots a=0 Evaluate 250a−320aTo find the roots of the expression,set the expression equal to 0 250a−320a=0Subtract the terms More Steps Simplify 250a−320aCollect like terms by calculating the sum or difference of their coefficients (250−320)aSubtract the numbers −70a −70a=0Change the signs on both sides of the equation 70a=0Solution a=0 Show Solution