ericr5813ericA ericr5813ericA

09-12-2019
Mathematics

contestada

What are the solutions to the system of equations?

y=2x2−5x−7
y=2x+2

Respuesta :

surjithayer10otahza surjithayer10otahza

15-01-2020

Answer:

Step-by-step explanation:

y=2x²-5x-7

y=2x+2

2x²-5x-7=2x+2

2x²-7x-9=0

2x²-9x+2x-9=0

x(2x-9)+1(2x-9)=0

(2 x-9)(x+1)=0

x=9/2 ,-1

y=11 ,0

solutions are (9/2,11),(-1,0)

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