Question

Выполни умножение (c+2)(c-3);(2a-1)(3a+4);(5x-2y)(4x-y);(a-2)(a2-3a+6)

Answer 1

1. c^2 - c - 6
2. 6a^2 +5a - 4
3. 20x^2 - 13xy + 2y^2
4. a^3 - 5a^2 + 12a - 12