jasmin7570 jasmin7570

20-11-2019
Mathematics

contestada

2x^2 - 3x - 15 = 5 using quadratic equation

Respuesta :

Omniystic Omniystic

20-11-2019

Answer:

x= 4, 2.5(or 5/2)

Step-by-step explanation:

2x²-3x-15=5

-5 -5

2x²-3x-20=0

plug into quadratic equation

(3+13)/4 (3-13)/4

16/4=4 10/4=2.5

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