Question

escreva o polinômio correspondente a: (8x + 1)(8x -1)

Answer 1

$\sf(8x+1)(8x-1)$

$\sf8x\cdot8x-8x\cdot1+1\cdot8x+1\cdot-1$

$\sf 64{x}^{2}\cancel{-8x}\cancel{+8x}-1$

$\sf{64x}^{2}-1$

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