rachelle200612 rachelle200612
  • 25-06-2021
  • Mathematics
contestada

If using the method of completing the square to solve the quadratic equation x^2+15x+21=0, which number would have to be added to "complete the square"?

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chibunduoyibe
chibunduoyibe chibunduoyibe
  • 25-06-2021

Step-by-step explanation:

the answer is in the above image

Ver imagen chibunduoyibe
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aguilarclarc26
aguilarclarc26 aguilarclarc26
  • 25-06-2021

Answer:

my answer is 225/5 sorry comments for wrong

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