Solve the quadratic equation by completing the square.
x^2 +4x- 9=0
first, choose the ap...
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Mathematics, 05.02.2020 04:59 kaziyahf2006
Solve the quadratic equation by completing the square.
x^2 +4x- 9=0
first, choose the appropriate form and fill in the blanks with the correct numbers.
then, solve the equation. if there is more than one solution, separate them with commas.
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