Question Factor the expression (c−1)(c+1) Evaluate c2−1Rewrite the expression in exponential form c2−12Solution (c−1)(c+1) Show Solution Find the roots c1=−1,c2=1 Evaluate c2−1To find the roots of the expression,set the expression equal to 0 c2−1=0Move the constant to the right-hand side and change its sign c2=0+1Removing 0 doesn't change the value,so remove it from the expression c2=1Take the root of both sides of the equation and remember to use both positive and negative roots c=±1Simplify the expression c=±1Separate the equation into 2 possible cases c=1c=−1Solution c1=−1,c2=1 Show Solution
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