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Trinômio de segundo grau fatoração
27x² – 78x + 16 quando fatorado.
(3x-8) (9x-2)
como chegar neste resultado
pois sei que quando temos
x²+10x+16 quando fatorado
(x+2) (x+8) porque quando somados dão 10 e multiplicados 16, agora quando aparece um numero antes do x² não consigo resolver .
o professor explicou na faculdade mas não consigo entender. ja fui atraz dele mas da forma explicada não consigo fazer nenhum exercicio.
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