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16-08-2018
Mathematics

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The product of the sum and the difference of two numbers equals the difference of their squares

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17-08-2018

[tex](a+b)(a-b)=(a)(a)+(a)(-b)+(b)(a)+(b)(-b)\\\\=a^2-ab+ab-b^2=a^2-b^2[/tex]

[tex]Used\ distributive\ property[/tex]

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