Factor Out the Greatest Common Factor $$20 w ^ { 3 } + 70 w ^ { 2 }$$

Multiple Choice

Factor out the greatest common factor. $$20 w ^ { 3 } + 70 w ^ { 2 }$$

A) $10 \left( 2 w ^ { 3 } + 7 w ^ { 2 } \right)$
B) $10 w ^ { 2 } \left( 2 w + 70 w ^ { 2 } \right)$
C) $2 w ^ { 2 } ( 10 w + 35 )$
D) $10 w ^ { 2 } ( 2 w + 7 )$