Question Factor the expression Factor 4(x−7) Evaluate 4x−28Solution 4(x−7) Show Solution Find the roots Find the roots of the algebra expression x=7 Evaluate 4x−28To find the roots of the expression,set the expression equal to 0 4x−28=0Move the constant to the right-hand side and change its sign 4x=0+28Removing 0 doesn't change the value,so remove it from the expression 4x=28Divide both sides 44x=428Divide the numbers x=428Solution More Steps Evaluate 428Reduce the numbers 17Calculate 7 x=7 Show Solution