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faust18 [17]
3 years ago
8

Please help. I’ll mark you as brainliest if correct!!!!!

Mathematics
2 answers:
Semenov [28]3 years ago
6 0

Answer:

x^2+14x+40=0\\x^2+14x+40+9-9=0\\x^2+14x+49=9\\(x+7)^2=9\\\\D=7\\E=9

Step-by-step explanation:

SCORPION-xisa [38]3 years ago
5 0

x^2+14x+40=0\\x^2+14x+40+9-9=0\\x^2+14x+49=9\\(x+7)^2=9\\\\D=7\\E=9

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