brigleas5oxdo14 brigleas5oxdo14 13-05-2019 Mathematics contestada (Please show all work) 1) Factor -5a^b + 10ab² - 20b + 25a^³b 2) Solve by factoring x² + 5x - 14=0 3) Solve the proportion [tex]\frac{8}{x-3} = \frac{3}{x+2}[/tex]