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25

x2+10x-14 = 0

Completing the square:-

(x+5)2-14 = 0

(x+5)2-25-14 = 0

x+5 = the sqrt of 39

x = -5-/+ the sqrt of 39

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12y ago
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Q: What number must you add to complete the square x2 plus 10x equals 14?
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