Factor the expression.

m squared minus 3 m n minus 28 n squared

(1 point)
Responses

left parenthesis m plus 4 n right parenthesis times left parenthesis m minus 7 n right parenthesis
Image with alt text: left parenthesis m plus 4 n right parenthesis times left parenthesis m minus 7 n right parenthesis

left parenthesis m minus 4 n right parenthesis times left parenthesis m plus 7 n right parenthesis
Image with alt text: left parenthesis m minus 4 n right parenthesis times left parenthesis m plus 7 n right parenthesis

left parenthesis m minus 2 n right parenthesis times left parenthesis m plus 14 n right parenthesis
Image with alt text: left parenthesis m minus 2 n right parenthesis times left parenthesis m plus 14 n right parenthesis

left parenthesis m plus 2 n right parenthesis times left parenthesis m minus 14 n right parenthesis

The correct answer is:

(m + 4n)(m - 7n)