mia17766 mia17766

02-01-2019
Mathematics

contestada

I need help with #5 as well thank you

I need help with 5 as well thank you class=

Respuesta :

mathecoach mathecoach

02-01-2019

Answer:

Answer (4)

Step-by-step explanation:

2x^2 - x - 10 = 0

x^2 - 1/2*x - 5 = 0

x = 1/4 ± √(1/16 + 80/16) = 1/4 ± √(81/16) = 1/4 ± 9/4

x1 = -8/4 = -2 or x2 = 10/4 = 2.5

Answer (4)

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