vc608572 vc608572

17-03-2021
Mathematics

contestada

Can someone please solve this using quadratic formula

2x^2 -7x -15=0

Respuesta :

mabelleanne mabelleanne

17-03-2021

Step-by-step explanation:

a=2

b=-7

c=-15

-(-7)+-sq root (-7)²-4(2)(-15) / 2(2)

7 +- sq root 169 / 4

7+- 13 / 4

7+13 / 4, 7-13 / 4

x=5 x=-3/2

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