Question Find the roots l=81Alternative Form l=0.125 Evaluate 8l−1To find the roots of the expression,set the expression equal to 0 8l−1=0Move the constant to the right-hand side and change its sign 8l=0+1Removing 0 doesn't change the value,so remove it from the expression 8l=1Divide both sides 88l=81Solution l=81Alternative Form l=0.125 Show Solution