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Drupady [299]
3 years ago
5

Plz help!!!!!!!!!!!!!

Mathematics
2 answers:
vaieri [72.5K]3 years ago
6 0

Answer:  The correct answer is -2,5/2 which is the last answer.

Step-by-step explanation:

* Hopefully the work below helps:)Mark me the brainliest:)!!

Vera_Pavlovna [14]3 years ago
4 0

Answer:   \bold{\{-2, \dfrac{5}{2}\}}

<u>Step-by-step explanation:</u>

2x² - x - 10 = 0

Replace -x with 4x - 5x and factor using Grouping Method:

2x² + 4x  -5x - 10   = 0

2x<u>(x + 2)</u>  -5<u>(x + 2)</u> = 0

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

2x - 5 = 0   and    x + 2 = 0

2x = 5         and    x = -2

x = 5/2

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