Question

Which expression is equivalnt (-18) - 64n

A) -2(9 - 32n)
B) 2(9 - 32n)
C) -2 (9 + 32n)
D) 2(9 + 32n)

Answer 1

its C

Explanation:

-2×9=-18

-2×32=-64....b/c negative(-)x positive (+) is always negative

so the result will be (-18)-64n

Answer 2

Your correct answer is option C. -2 (9 + 32n)

Explanation:

Solution:

Options are not given in the question

Given First degree expression:

-18-64n

= (-2)×9 + (-2)×32n

Take (-2) common, we get

= (-2)( 9+32n)

Therefore you get your answer of option C. -2(9+32n)