Question Simplify the expression 8.5−81a Evaluate 34÷4−81aSolution 8.5−81a Show Solution Factor the expression 21(17−162a) Evaluate 34÷4−81aDivide the numbers 8.5−81aConvert the decimal into a fraction More Steps Evaluate 8.5Convert the decimal into a fraction 1085Reduce the fraction 217 217−81aSolution 21(17−162a) Show Solution Find the roots a=16217Alternative Form a≈0.104938 Evaluate 34÷4−81aTo find the roots of the expression,set the expression equal to 0 34÷4−81a=0Divide the numbers 8.5−81a=0Move the constant to the right-hand side and change its sign −81a=0−8.5Removing 0 doesn't change the value,so remove it from the expression −81a=−8.5Change the signs on both sides of the equation 81a=8.5Divide both sides 8181a=818.5Divide the numbers a=818.5Solution More Steps Evaluate 818.5Convert the decimal into a fraction More Steps Evaluate 8.5Convert the decimal into a fraction 1085Reduce the fraction 217 81217Multiply by the reciprocal 217×811To multiply the fractions,multiply the numerators and denominators separately 2×8117Multiply the numbers 16217 a=16217Alternative Form a≈0.104938 Show Solution