Question

e) 3x + 5x =03 x ao quadrado mais 5x igual a zero
$3x ^{2} + 5x = 0$
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Answer 1

3x² + 5x = 0

x • (3x + 5 ) = 0

x= 0

3x + 5 = 0

3x = 0 - 5

3x= - 5

x= - 5/3

S= ( - 5/3 , 0)