Question Factor the expression 2(5−4x) Evaluate 10−8xSolution 2(5−4x) Show Solution Find the roots x=45Alternative Form x=1.25 Evaluate 10−8xTo find the roots of the expression,set the expression equal to 0 10−8x=0Move the constant to the right-hand side and change its sign −8x=0−10Removing 0 doesn't change the value,so remove it from the expression −8x=−10Change the signs on both sides of the equation 8x=10Divide both sides 88x=810Divide the numbers x=810Solution x=45Alternative Form x=1.25 Show Solution