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Reil [10]
1 year ago
6

Its an easy 25 points

Mathematics
1 answer:
boyakko [2]1 year ago
8 0

Answer:

hope it's help u thank u

Step-by-step explanation:

  • y=-8
  • y=-5
  • y=1
  • y=10
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Jobisdone [24]

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Step-by-step explanation:

Using brackets will really help.

y = (x^2 + 4x + ... ) - 5       You are trying to complete the square. The square in this case is a trinomial that is squared.

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So far what you have is

y = (x^2 + 4x + 4) - 5  

Now you just can't add 4 without adjusting it somehow. If you do, the whole question will change it's value. Because you added 4 inside the brackets, you must subtract 4 outside the brackets.

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y = (x^2 + 4x + 4) - 5 - 4

Now you continue on

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2 years ago
Can the product of 4 and any number always be written as a sum of two equal addends
enot [183]

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hope this helps also mark me brainliest :)

Good luck

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