Question

2x² -7x -15=0 resuelve aplicando la fórmula general​

Answer 1

2x² - 7x - 15 = 0

2x           + 3

x              - 5

-10x + 3x = -7x

(2x + 3)(x - 5) = 0

2x + 3 = 0           x - 5 = 0

2x = - 3               x = 5

x = - 3/2

CS = (-3/2; 5)

Eternamente axllxa