Factor x^3-4x
Problem
Solution
Identify the greatest common factor (GCF) of the terms in the expression.
Factor out the GCF, which is
x from both terms.
Recognize the expression inside the parentheses as a difference of squares, which follows the pattern
a2−b2=(a−b)*(a+b) Apply the formula for the difference of squares to
x2−4 wherea=x andb=2
Final Answer
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