Question 99091
x^2 + 4x + 4 =7
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x^2+4x-3=0

Using the quadratic formula:
x = [-4 +- sqrt(16-4*1*-3)]/2

x = [-4 +- sqrt(28)]/2

x = [-4 +- 2sqrt(7)]/2

x = [-2 +- sqrt(7)]

x = -2+sqrt7 or x=-2-sqrt7
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Cheers,
Stan H.