Question

Which of the following expressions is equivalent to (19⋅9)⋅x−9
?(1 point)
Responses

9−x

9 minus x

x−9

x minus 9

−9x

negative 9 x

9x

Answer 1

Compute 19·9 = 171, so (19·9)·x − 9 = 171x − 9. None of the answer choices (9−x, x−9, −9x, 9x) equal 171x − 9 for all x.

Please double-check the original expression (are the parentheses or operations different?), and I’ll simplify again.