Darkstar9
Darkstar9
04-12-2016
Mathematics
contestada
What is the product of (x-1)(x+1)
Respuesta :
tibboyz123
tibboyz123
04-12-2016
Use foil method, (must know; (a²-b²) = (a-b)(a+b) )
(x-1)(x+1)
x²+1x-1x-1
x²-1
Hence, the final answer is x²-1
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