Rewrite the equation by completing the square. \[ \begin{array}{l} x^{2}-14 x+40=0 \\ (x+\square)^{2}=\square \end{array} \]
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Step 1: Start with the equation \(x^2 - 14x + 40 = 0\). Show more…
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If using the method of completing the square to solve the quadratic equation x^2 - 14x - 40 = 0, which number would have to be added to "complete the square"?
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Solving Quadratic Equations by Completing the Square
Solve each equation by completing the square. See Examples 5 through 8. $$ 9 x^{2}-36 x=-40 $$
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