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What number would you add to both sides of x2 + 7x = 4 to complete the square? 22 72
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What number would you add to both sides of x2 + 7x = 4 to complete the square? 22 72

What number would you add to both sides of x2 + 7x = 4 to complete the square? 22 72-example-1
User Mr Hery
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2 Answers

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the answer is D (7/2)^2 
User Artnikpro
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x^2 + 2*x*(7/2) + (7/2)^2 = (x + 7/2)^2

answer is (7/2)^2
User David Thielen
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7.9k points
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