The total prot P(x) (in thousands of dollars) from the sale of x hundred thousand pillows is approximated by P(X}= -x3 + 9x2 +165x200, x2 5. Find the...

please make sure you express it so i can verify and understand it; thank you

The total profit P(x) (in thousands of dollars) from the sale of x hundred thousand pillows is approximated byP(X}= -x3 + 9x2 +165x—200, x2 5. Find the number of hundred thousands of pillows that must be sold to maximize profit. Find the maximum profit. The maximum profit is $|:|. The maximum profit will occur when I] pillows are sold.