Question Factor the expression (x−5)(x+5) Evaluate x2−25Rewrite the expression in exponential form x2−52Solution (x−5)(x+5) Show Solution Find the roots x1=−5,x2=5 Evaluate x2−25To find the roots of the expression,set the expression equal to 0 x2−25=0Move the constant to the right-hand side and change its sign x2=0+25Removing 0 doesn't change the value,so remove it from the expression x2=25Take the root of both sides of the equation and remember to use both positive and negative roots x=±25Simplify the expression More Steps Evaluate 25Write the number in exponential form with the base of 5 52Reduce the index of the radical and exponent with 2 5 x=±5Separate the equation into 2 possible cases x=5x=−5Solution x1=−5,x2=5 Show Solution
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