Question Simplify the expression Solution 28−4x Evaluate 4(7−x)Apply the distributive property 4×7−4xSolution 28−4x Show Solution Find the roots Find the roots of the algebra expression x=7 Evaluate 4(7−x)To find the roots of the expression,set the expression equal to 0 4(7−x)=0Rewrite the expression 7−x=0Move the constant to the right side −x=0−7Removing 0 doesn't change the value,so remove it from the expression −x=−7Solution x=7 Show Solution