I2zodyduncWill I2zodyduncWill

12-11-2016
Mathematics

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Multiply: (x10 9)(x10 - 9)

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olemakpadu olemakpadu

12-11-2016

By difference of two squares:

(x - y)(x +y) = x²- y²

(x¹⁰ + y¹⁰)(x¹⁰ - y¹⁰)= (x¹⁰)² - (y¹⁰)² = x⁽² ˣ¹⁰⁾ - y⁽² ˣ¹⁰⁾ = x²⁰ - y²⁰

(x¹⁰ + y¹⁰)(x¹⁰ - y¹⁰) = x²⁰ - y²⁰

Hope this helps.

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