Hello can you tell me how to solve the equation (4+x)(x+2)<0

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300