Упростите выражения (2 а+3) * (а+3) - 2 а * (4-ba)

(2x+3) (3-2x) - (2x-5) ^2-10x

-36c-3 (5-6c) ^2

(7b-1) (1-7b) - b (4-3b)

(2k-3) (3+2k) - (3k-5) ^2-30k

(2a+3) (a+3) - 2a (4-ba)

2a²+6a+3a+9-8a+2a²b

2a²+a+9+2a²b

2a²b+2a²+a+9

(2x+3) (3-2x) - (2x-5) ²-10x

(3+2x) (3-2x) - (2x-5) ²-10x

9-4x²-4x²-20x+25-10x

34-8x²-30x

-8x²-30x+34

-36c-3 (5-6c) ²

-36c-3*25-60c+36c²

-36c-75-60c+36c²

-96c-75+36c²

36c²-96c-75

(7b-1) (1-7b) - b (4-3b)

7b-49b²-1+7b-4b+3b²

10b-46b²-1

-46b²+10b-1

(2k-3) (3+2k) - (3k-5) ²-30k

(2k-3) (2k+3) - (3k-5) ²-30k

4k²-9-9k²-30k+25-30k

-5k²+16-60k

-5k²-60k+16