Question

Use column method to find the product of (m²+n²) (m²-n²).

Answer 1

Answer:

$( {m}^{2} + {n}^{2} )( {m}^{2} - {n}^{2} ) \\ = (( { {m}^{2}) }^{2} \: - ({ {n}^{2}) }^{2} ) \\ = ( {m}^{4} - {n}^{4} )$

Step-by-step explanation:

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