What are the solutions of the equation (x – 3)^2 + 2(x – 3) – 8 = 0? use u substitution to solve. x = –5 and x = 1 x = –1 and x = 5 x = –1 and x = –7 x = 1 and x = 7

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap