Question Factor the expression (d−18)(d+18) Evaluate d2−324Rewrite the expression in exponential form d2−182Solution (d−18)(d+18) Show Solution Find the roots d1=−18,d2=18 Evaluate d2−324To find the roots of the expression,set the expression equal to 0 d2−324=0Move the constant to the right-hand side and change its sign d2=0+324Removing 0 doesn't change the value,so remove it from the expression d2=324Take the root of both sides of the equation and remember to use both positive and negative roots d=±324Simplify the expression More Steps Evaluate 324Write the number in exponential form with the base of 18 182Reduce the index of the radical and exponent with 2 18 d=±18Separate the equation into 2 possible cases d=18d=−18Solution d1=−18,d2=18 Show Solution