I2zodyduncWill
I2zodyduncWill
12-11-2016
Mathematics
contestada
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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