Supernova_Sonntag
  • Supernova_Sonntag
Solve algebraically: y=x^2-20 y=x-8 I have tried this many times and I can't figure it out.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Pawanyadav
  • Pawanyadav
Plug value of y from eq 1 to equation 2, We get x^2-20=x-8 x^2-x-20+8=0 x^2-x-12=0 x^2-4x+3x-12=0 x(x-4)+3(x-4)=0 (x-4)(x+3)=0 Can you solve now.
Pawanyadav
  • Pawanyadav
@Supernova_Sonntag
anonymous
  • anonymous
it is 4

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Pawanyadav
  • Pawanyadav
4 and -3.(both)
Supernova_Sonntag
  • Supernova_Sonntag
Yes that is all I needed, thank you. I guess I was getting hung up on the factoring.
Pawanyadav
  • Pawanyadav
You are welcome

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