Question Factor the expression 2(9−x) Evaluate 18−2xSolution 2(9−x) Show Solution Find the roots x=9 Evaluate 18−2xTo find the roots of the expression,set the expression equal to 0 18−2x=0Move the constant to the right-hand side and change its sign −2x=0−18Removing 0 doesn't change the value,so remove it from the expression −2x=−18Change the signs on both sides of the equation 2x=18Divide both sides 22x=218Divide the numbers x=218Solution More Steps Evaluate 218Reduce the numbers 19Calculate 9 x=9 Show Solution