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[tex] \alpha^{2} - \alpha^{2} *b+ \alpha^{2}*b-b^{2}[/tex]
[tex] \alpha^{2} - \alpha^{2} *b+ \alpha^{2}*b-b^{2}[/tex]
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Verified answer
A²-a²b+a²b-b²=a²-b²=(a+b)(a-b).Verified answer
(a²-b²)-(a²b-a²b)=a²-b²=(a-b)(a+b)