Question

Simplify:-3a²-5a×6a-5+5a​

Answer 1

$- 3 {a}^{2} - 5a \times 6a - 5 + 5a \\ - 3 {a}^{2} - 30 {a}^{2} - 5 + 5a \\ - 33 {a}^{2} - 5 + 5a$