Question

I need so much help with this, this includes multiple steps & a graph

Answer 1

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

`\mleft\lbrace-(3)/(5),-7\mright\rbrace`

Option D