Question

$(3x + 1)(3x - 8)$
​

Answer 1

Step-by-step explanation:

Primary carbons, are carbons attached to one other carbon. (Hydrogens – although usually 3 in number in this case – are ignored in this terminology, as we shall see). Secondary carbons are attached to two other carbons. Tertiary carbons are attached to three other carbons.

Answer 2

Answer:

$(3x + 1)(3x - 8) \\ 9 {x}^{2} - 24x + 3x - 8 \\ 9x {}^{2} - 21 - 8$

I hope it helps you Mark me as brainlist........