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13-06-2021
Mathematics

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Express x^2 + 4x - 7 in the form (x + a)^2 - b where a and b are intergers

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Vahidam Vahidam

13-06-2021

Answer:

[tex]a = 2 \\ b = 11[/tex]

Step-by-step explanation:

[tex] {x}^{2} + 4x + 4 - 4 - 7 = {(x + 2)}^{2} - 11[/tex]

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