what is the product of 10 x -5 x -4 x 3

AAAaannndd the bot gets it wrong yet again!

forget the x -- it's being used for "times"
and 10 * (-5) * (-4) * 3 = 600

The product of 10 x, -5, -4, and 3 is:

10 x * (-5) * (-4) * 3 = -600 x

Therefore, the answer is -600 x.