I need help pleaseee ?!!!

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

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?

Put the following steps for calculating net worth in the correct order