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What number must you add to complete the square x^2+12x=40
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3 votes
What number must you add to complete the square x^2+12x=40

User Docteur
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1 Answer

3 votes

Explanation:

x²+12x=40

(x+6)²-6²-40=0

(x+6)²-76 = 0

User Amol Sharma
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