Question

decompondo a polinômio para (x) =5x2+5x30

Answer 1

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Ola Nato 

5x² + 5x - 30 = 0
5*(x² + x - 6) = 0

delta
d² = 1 + 24 = 25
d = 5

x1 = (-1 + 5)/2 = 4/2 = 2
x2 = (-1 - 5)/2 = -6/2 = -3

5x² + 5x - 30 = 5*(x - 2)*(x + 3)

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