Question

findbthe LCM of x^2 - 4 & x^4 - 16​

Answer 1

Ist term
${x}^{2} - 4 \\ (x + 2)(x - 2)$
2nd term
${x}^{4} - 16 \\ {( {x}^{2} )}^{2} + {( {4})}^{2} \\ ( {x}^{2} + 4)( {x}^{2} - 4) \\ ( {x}^{2} + 4)( {x}^{} - 2)(x + 2)$

so LCM
$( {x}^{2} + 4)( {x}^{} - 2)(x + 2)$

Answer 2

Answer:

uncommon terms :(x^2 +4)(x+2)(x-2)=x^4-16