Question Factor the expression (f−8)(f+8) Evaluate f2−64Rewrite the expression in exponential form f2−82Solution (f−8)(f+8) Show Solution Find the roots f1=−8,f2=8 Evaluate f2−64To find the roots of the expression,set the expression equal to 0 f2−64=0Move the constant to the right-hand side and change its sign f2=0+64Removing 0 doesn't change the value,so remove it from the expression f2=64Take the root of both sides of the equation and remember to use both positive and negative roots f=±64Simplify the expression More Steps Evaluate 64Write the number in exponential form with the base of 8 82Reduce the index of the radical and exponent with 2 8 f=±8Separate the equation into 2 possible cases f=8f=−8Solution f1=−8,f2=8 Show Solution
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