Question

Qual é a resposta de (2c²-5)(3a-2)?

Answer 1

$(2 {c}^{2} - 5) \times (3a - 2) \\ 6a {c}^{2} - 4 {c}^{2} - 15a - 10$

Answer 2

$(2 {c}^{2} - 5)(3a - 2) = 2 {c}^{2} \times 3a - 2 {c}^{2} \times 2 - 5 \times 3a - 5 \times ( - 2) = \\ = 6a {c}^{2} - 4 {c}^{2} - 15a + 10$