Questionpicy (Max 100\%) $$3(12 x-y)(2 x-7 y)$$

Studdy Solution
Multiply the entire expanded expression by the constant factor $3$:
$$3(24x^2 - 86xy + 7y^2)$$
Distribute the $3$ to each term:
$$72x^2 - 258xy + 21y^2$$
The expanded expression is:
$$\boxed{72x^2 - 258xy + 21y^2}$$