What number must you add to complete the square? x^2 + 2x = -1 A. 4 B. 3 C. 1 D. 2

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asked Oct 27, 2017 160k views

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Neil Baldwin · Answer 1 · 2017-10-30T14:42:08+0000

x^2 + 2x = -1......take half of ur x term (2x), and square it. So we take half of 2, which is 1, and square it....1^2 = 1....so u would add 1 to both sides

What number must you add to complete the square? x^2 + 2x = -1 A. 4 B. 3 C. 1 D. 2

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