Algebra-1

To expand the expression (−4x − 1)( −x − 4), we can use the distributive property and multiply each term of the first expression by each term of the second expression:

(−4x − 1)( −x − 4) = −4x * (−x − 4) − 1 * (−x − 4)

Expanding further:

= 4x² + 16x + x + 4

Combining like terms:

= 4x<...