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viktelen [127]
2 years ago
9

An equation and the first step in its solution are shown: Equation: x2 + 8x - 9 = 0

Mathematics
1 answer:
Novay_Z [31]2 years ago
3 0
Answer- A-16

Because when doing completing the square, you divide the coefficient of x by 2, which is 4, and the square it which is 16
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