Question

Determina as raízes da função:
$f(x) = {x}^{2} + 10x - 875$
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Answer 1

x² + 10x - 875=0

∆= 100 + 3500 = 3600 => √∆=60

x = -10±60/2

x' = 50/2= 25

x'' = -70/2 = -35