Question Factor the expression (c−3)(c+3) Evaluate c2−9Rewrite the expression in exponential form c2−32Solution (c−3)(c+3) Show Solution Find the roots c1=−3,c2=3 Evaluate c2−9To find the roots of the expression,set the expression equal to 0 c2−9=0Move the constant to the right-hand side and change its sign c2=0+9Removing 0 doesn't change the value,so remove it from the expression c2=9Take the root of both sides of the equation and remember to use both positive and negative roots c=±9Simplify the expression More Steps Evaluate 9Write the number in exponential form with the base of 3 32Reduce the index of the radical and exponent with 2 3 c=±3Separate the equation into 2 possible cases c=3c=−3Solution c1=−3,c2=3 Show Solution
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