Consider (x - 5) (x + 1) = 7. Priya reasons that if this is true, then either x - 5 = 7 or x +1=7. So, the solutions of the original equations are 12 and 6.

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?