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kondor19780726 [428]
3 years ago
10

What number complete the square x^2 +\- bx

Mathematics
1 answer:
kati45 [8]3 years ago
7 0
Take 1/2 of b and squaer it so (b/2)^2 would complete the square (sign doesn't matter becaus when squareing, sign goes positive)
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