sabicca23 sabicca23
  • 07-05-2020
  • Mathematics
contestada

What is the missing number? x^2+10x+?=-2+?

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BenDaChickenMaster
BenDaChickenMaster BenDaChickenMaster
  • 07-05-2020
Answer
X^2+10x+25=-2+20

I did (10/2)^2 and then added that to both sides.
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