Respuesta :

apologiabiology
both equal to y so set equal to each other

4x+4=x²+4
minus 4 both sides
4x=x²
minus 4x both sides
0=x²-4x
factor
0=x(x-4)
set each to zero

0=x

0=x-4
4=x

x=4 and 0
2 solutions
aruzistream

Answer:

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