Respuesta :

Since (5m+3)(m+7) = 0,

Then, 5m+3 = 0 OR m+7 = 0

5m = -3 m = 0 - 7

m = -3/5 OR m = -7

[tex]\mleft\lbrace-\frac{3}{5},-7\mright\rbrace[/tex]

Option D