Factor.
-$$u ^ { 2 } - 4 u v - 21 v ^ { 2 }$$
A) $( u + 3 v ) ( u - 7 v )$
B) $( u - 3 v ) ( u + v )$
C) $( u - v ) ( u + 7 v )$
D) $( u - 3 v ) ( u + 7 v )$

Name: Factor. -\[u ^ { 2 } - 4 u v - 21 v ^ { 2 }\] A) $( u + 3 v ) ( u - 7 v )$ B) $( u - 3 v ) ( u + v )$ C) $( u - v ) ( u + 7 v )$ D) $( u - 3 v ) ( u + 7 v )$
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Question

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The Answer of Factor.
-$$u ^ { 2 } - 4 u v - 21 v ^ { 2 }$$
A) $( u + 3 v ) ( u - 7 v )$
B) $( u - 3 v ) ( u + v )$
C) $( u - v ) ( u + 7 v )$
D) $( u - 3 v ) ( u + 7 v )$

Factor - u2−4uv−21v2u ^ { 2 } - 4 u v - 21 v ^ { 2 }u2−4uv−21v2

Factor
- $u ^ { 2 } - 4 u v - 21 v ^ { 2 }$