Question

Which is a simplified form of the following expression? 6c^2+2.5d - d + 2c^2-3d

Answer 1

By collecting like terms we have:

$6 {c}^{2} + 2 {c}^{2} + 2.5d - d - 3d \\ \\ 8 {c}^{2} - 1.5d$