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x^2 - 2x -4 =0
Using the quadratic formula -b +/- √b^2 - 4(ac) / 2a
Replace the letters with the values from the equation:
2 +/- √-2^2 -4*(1*-4) / 2*1
X = 2 +/- 2√5 / 2
x = 1 +/-√5
The answer is: x^2 - 2x -4 =0
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