solve using substitution y=x^2+8 y=17x-13

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1 Answer

????????? wi dont yu put a komma or sum blanks tween em 2 thangs so

sumwon kan see yu hav 2 thangs ???????????

??????? yu tri tu sae x^2 +8= 17x-13 ???????????

if so, x^2 -17x +8+13=0

so x^2 -17x+21=0

or (x-15.6589105)(x-1.3410895)=0
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