anonymous
  • anonymous
Solve the following system of equations: y = x2 + 3 y = x + 5 Please i just want someone to walk me through the steps of substitution?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
put \[x^2+3=x+5\] and solve the quadratic equation
anonymous
  • anonymous
I tried that and I know my answer is wrong because it doesn't make any sense
madhu.mukherjee.946
  • madhu.mukherjee.946
x=-1,x=2

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madhu.mukherjee.946
  • madhu.mukherjee.946
y=x+5 so put this value of y in the second equation,y=x^2+3 x+5=x^2+3 x^2-x-2=0 now middle term breaking x^2-2x+x-2=0 now take x common from the first part
madhu.mukherjee.946
  • madhu.mukherjee.946
and 1 from the second part so it is ,x(x-2)+1(x-2)=0 (x-2)(x+1)=0 x=2or x=-1
anonymous
  • anonymous
Thank you so much!!

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