Question

2x²+6x-40=0 procedimiento​

Answer 1

2x² + 6x - 40 = 0

a = 2

b = 6

c = -40

x = -b ± √b² - 4ac / 2a

x = -6 ± √(6)² - 4 (2) (-40) / 2 (2)

x = -6 ± √36 - (-320) / 4

x = -6 ± √36 + 320 / 4

x = -6 ± √356 / 4

x1 = -6 + 18.867 / 4 = -1.283

x2 = -6 - 18.867 / 4 = -10.716

Espero haberte ayudado. Suerte en los estudios ≧◠◡◠≦.