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TEA [102]
3 years ago
13

HELP solve by system by elimination y= x^2 + x + 1 and y= -x - 2

Mathematics
1 answer:
Vlada [557]3 years ago
6 0

Answer:

Step-by-step explanation:

hello :

y= x² + x + 1  ....(*)

and

y= -x - 2....(**)

(**)-(*) : 0 = (x²+x+1) -(-x-2)

x²+2x+3 = 0

(x²+2x+1)+2 = 0

(x+1)² = -2 ...... no solutions in R

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