2x square +X+3=18-x square +3
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Step-by-step explanation:
2x^2+x+3=18-x^2+3
2x^2+x^2+x=18+3-3
3x^2+x-18=0
-1+srt(1+4*18*3)/2,-1-srt(1+4*18*3)/2
=-1+srt(1+216)/2,-1-srt(1+216)/2
=-1+srrt(217)/2,-1-srt(217)/2
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soution is given. solved
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