Find a cubic function with zeros 3, -4, and 6

x = 3             x = -4                  x = 6

x - 3 = 0        x + 4 = 0            x - 6 = 0

           (x - 3)(x + 4)(x - 6) = 0

           (x² + x - 12)(x - 6) = 0         (x - 3)(x + 4) =  x² + 4x - 3x - 12  =  x² + x  - 12

x³ - 6x² + x² - 6x - 12x + 72 = 0

x³     - 5x²          -18x    + 72 = 0    

x³ - 5x² - 18x + 72 = 0

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.