Question Simplify the expression x3−42 Evaluate x2×x−42Solution More Steps Evaluate x2×xUse the product rule an×am=an+m to simplify the expression x2+1Add the numbers x3 x3−42 Show Solution Find the roots x=342Alternative Form x≈3.476027 Evaluate x2×x−42To find the roots of the expression,set the expression equal to 0 x2×x−42=0Multiply the terms More Steps Evaluate x2×xUse the product rule an×am=an+m to simplify the expression x2+1Add the numbers x3 x3−42=0Move the constant to the right-hand side and change its sign x3=0+42Removing 0 doesn't change the value,so remove it from the expression x3=42Take the 3-th root on both sides of the equation 3x3=342Solution x=342Alternative Form x≈3.476027 Show Solution