if | 20 x - 10 | = 170 , then find the product of the values of x ?
"| 20 x - 10 | = 170 20 x - 10 = 170 or 20 x - 10 = - 170 20 x = 180 or 20 x = - 160 x = 9 or x = - 8 product = - 8 * 9 = - 72 answer is c"
subtract(subtract(subtract(170, 10), add(170, 10)), 10)