Identify Terms: Identify like terms and common factors in the expression.−9x3 and 72x5 do not have like terms, but they both have x terms which can be factored if necessary.
Check Common Factor: Check if the expression can be factored by taking out a common factor.Both terms have a common factor of x3.
Factor Out: Factor out the common factor of x3 from both terms.x3(−9+72x2)
Simplify Inside Parentheses: Simplify the expression inside the parentheses. −9+72x2 simplifies to −9+72x2 since there are no like terms to combine.
Write Final Expression: Write the final simplified expression.The final simplified expression is x3(−9+72x2).
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