if | 20 x - 10 | = 150 , then find the product of the values of x ?
"| 20 x - 10 | = 150 20 x - 10 = 150 or 20 x - 10 = - 150 20 x = 160 or 20 x = - 140 x = 8 or x = - 7 product = - 7 * 8 = - 56 answer is b"
subtract(subtract(subtract(150, 10), add(150, 10)), 10)