Given the roots -10 and 2, find the quadratic equation. a)x2 - 8x - 20 = 0
b)x2 + 8x - 20 = 0

c)x2 - 12x - 20 = 0

d)x2 + 8x + 20 =

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters