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mart [117]
3 years ago
5

What are the solutions to the system of equations {-x+y=4 {y+12=x^2+x

Mathematics
1 answer:
Gnoma [55]3 years ago
8 0

Answer:

Step-by-step explanation:

y=4+x          ............................................ (1)

y=x^2+x-12  ............................................ (2)

now equate both (1) and (2)

4+x=x^2+x-12

=>x^2=16

x=-4,4

now substitute the values of x ,

when x=-4 , y becomes 0

when x=4  , y becomes 8

so, solution set:

(-4,0) and (4,8)

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