Karolinek13 Karolinek13
  • 24-07-2019
  • Mathematics
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What number should be added to both sides of the equation to complete the squan
х2 + 8x = 4
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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 24-07-2019

Answer:

16

Step-by-step explanation:

х2 + 8x = 4

Take the coefficent of the x term, 8

Divide it by 2. 8/2 =4

Then square it, 4^2 = 16

Add this to both sides of the equation

x^2 +8x+16 = 4+16

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