Question

subtract 3x+6y+8 from 12x_ 2y +3​

Answer 1

Step-by-step explanation:

12x - 2y + 3

- 3x - 6y - 8

= 9x - 8y - 5

Answer 2

$\begin{array}{l}(12 x-2 y+3)-(3 x+6 y+8) \\\\=12 x-2 y+3-(3 x+6 y+8) \\\\=12 x-2 y+3-3 x-6 y-8 \\\\=9 x-8 y-5\end{array}$