Question

50 points ! ❤❤❤

please explain this step

please

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Answer 1

HERE IS YOUR ANSWER

(X1-X2)(X1+X2)+(X1-X2) =0

now if we take (X1-X2) common:-

so, (X1-X2){X1+X2+1)

hope it is clear to u ..

free to ask any of your doubts..

✨HOPE IT HELPS U✨

Answer 2

hope this helps you☺️☺️