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Intersection of 2 graphs

Algebra Level 2

The two graphs \(y = x^2 +4x+1\) and \(y = -3x+9\) intersect at two points: \((a,b)\) and \((c,d)\). Find the value of \(a+b+c+d.\)

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Excel in math and science

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by Yan Yau Cheng

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