Please help me solve this problem

9. Approximately what is the net magnitude of the Electric Field at position X due to the two charges below? ac A) 1360 N/C - 7X10 -7 nc +10 nc B) 6300 N/C X + 15cm = 0.15 m C) 4240 N/C 15 cm 25 cm D) 560 N/C 1 191 1 1021 - 4x10 7 Nim/2 2 - Fuc K 14111 2 ( 9 . 1 X 10 3 1 kq ) 6-7 x 10 90 ) ~ \\, who