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x2+8x-5 = 15

x2+8x-20 = 0

(x+4)2-20 = 0

(x+4)2-16-20 = 0

(x+4)2 = 36

x+4 = +/- 6

x = -10 or x =2

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Q: Complete the square x2 plus 8x minus 5 equals 15?
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