Step-by-step explanation:
x³ - 23x² + 142x - 120
x³ - x² - 22x² + 22x + 120x - 120
x²(x - 1) - 22x(x - 1) + 120(x - 1)
(x - 1)(x² - 22x + 120)
(x - 1)(x² - 10x - 12x + 120)
(x - 1)[x(x - 10) - 12(x - 10)]
(x - 1) (x - 10) (x - 12)
Im not sure cuz i learned this for long time ago
but i think 5 is 1
and 7 might be2
i have no idea for 8
im sorry :/
Answer:
d: 15 units squared
Step-by-step explanation:
The area of a triangle is
:
- Base: 5
- Height: 6
- Area: (5•6)/2=30/2=15
B. because jk and cb are on the same spot
Answer:
its c
Step-by-step explanation: