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scZoUnD [109]
3 years ago
12

Help with solving simulatenous equations with 1 quadratic . question attached

Mathematics
2 answers:
yuradex [85]3 years ago
7 0

Answer:

x = 1/2, y = 17/2

x = -3, y = 12

Tems11 [23]3 years ago
4 0

Answer:

x= -3, y=12

x=1/2, y=8 1/2

Step-by-step explanation:

y = 9-x

y= 2x²+4x+6

  • 9-x= 2x²+4x+6
  • 2x²+5x-3=0

solving, we get

  • x= -3 and x= 1/2

then

  • for x= -3, y= 9+3= 12
  • for x=1/2, y= 9-1/2= 8 1/2
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