what number should be added to complete the square in x²+2x+3=6
a.1 b.2 c.3 d.4
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what number should be added to complete the square in x²+2x+3=6
a.1 b.2 c.3 d.4
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The answer is
a. 1
X^2 + 2x + 3 = 6
X^2 + 2x + 3 - 6 = 0
X^2 + 2x - 3 = 0
1^2 + 2(1) - 3 = 0
1 + 2 - 3 = 0
3 - 3 = 0
0 = 0, True Equation.
Therefore, from trial and error, the answer is 1.
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