Convert each equation into the form :

MATHEMATICS · Subjective · AoPS · Mathematics · Quadratic Equations - Part 2 · Quadratic Equations - Part 2

Problem

Convert each equation into the form f(x)=a(x−h)2+kf(x)=a(x-h)^2+k: f(x)=x2−4x+7f(x)=x^2-4x+7

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