Question Simplify the expression 40a3−400 Evaluate a3×40−400Solution 40a3−400 Show Solution Factor the expression 40(a3−10) Evaluate a3×40−400Use the commutative property to reorder the terms 40a3−400Solution 40(a3−10) Show Solution Find the roots a=310Alternative Form a≈2.154435 Evaluate a3×40−400To find the roots of the expression,set the expression equal to 0 a3×40−400=0Use the commutative property to reorder the terms 40a3−400=0Move the constant to the right-hand side and change its sign 40a3=0+400Removing 0 doesn't change the value,so remove it from the expression 40a3=400Divide both sides 4040a3=40400Divide the numbers a3=40400Divide the numbers More Steps Evaluate 40400Reduce the numbers 110Calculate 10 a3=10Take the 3-th root on both sides of the equation 3a3=310Solution a=310Alternative Form a≈2.154435 Show Solution