23 black cars
9 red cars
17 blue cars
25 white cars
21 silver cars
(white cars + blue cars) - (sliver cars + red cars)
(25 + 17) - (21 + 9)
(42) - (30)
12 more blue and white cars
Plural because it has eaten
No the negative is only effected if, for example, the number 5 was also negative. Causing the answer to be positive.
Answer:
Step-by-step explanation:
- 3x³ - x²y + 6x²y - 2xy² + 3xy² - y³ =
- x²(3x - y) + 2xy(3x - y) + y²(3x - y) =
- (3x - y)(x² + 2xy + y²) =
- (3x - y)(x + y)²