Question Simplify the expression x4−22 Evaluate x3×x−22Solution More Steps Evaluate x3×xUse the product rule an×am=an+m to simplify the expression x3+1Add the numbers x4 x4−22 Show Solution Find the roots x1=−422,x2=422Alternative Form x1≈−2.165737,x2≈2.165737 Evaluate x3×x−22To find the roots of the expression,set the expression equal to 0 x3×x−22=0Multiply the terms More Steps Evaluate x3×xUse the product rule an×am=an+m to simplify the expression x3+1Add the numbers x4 x4−22=0Move the constant to the right-hand side and change its sign x4=0+22Removing 0 doesn't change the value,so remove it from the expression x4=22Take the root of both sides of the equation and remember to use both positive and negative roots x=±422Separate the equation into 2 possible cases x=422x=−422Solution x1=−422,x2=422Alternative Form x1≈−2.165737,x2≈2.165737 Show Solution