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Answer to Question #8444 in Algebra for brian

Question #8444
solve x^2=y+10
3x-y=9
Expert's answer
from second equation y=3x-9
from first
x^2=y+10=3x-9+10=3x+1
x^2-3x+1=0;
x1,2=(3+-sqrt(5))/2;
y1,2=3x(1,2)-9

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