I need this question answered super quick!!

= -31462 8/481x10LB As shown below, an equilateral triangle with sides of 0.150 m has three charges of -2.50 microcoulombs each, situated on the verticles of the triangle, Calculate the net electrostatic force on each charge. What assumption did you have to make to complete the calculation? Reminder: Your answer must include magnitude and direction. -2.50uC 0.200m wood'a -2.50 C -2,50uC 0.200m