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algol [13]
3 years ago
15

Find the number to be added to complete the square x^2+6x-4

Mathematics
1 answer:
N76 [4]3 years ago
3 0
Assuming we want to factor the formula to (x+3)(x+3), you want to have a +9 where there is a -4 now. So you must add 13.


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