chanc101 chanc101
  • 08-06-2018
  • Mathematics
contestada

Please help me with this #12

Please help me with this 12 class=

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Helper512 Helper512
  • 08-06-2018
You can factor 4y - 12 into 4(y-3). Therefore, the equation becomes (y-3)^2 = 4(y-3). From this, you can take out a (y-3) from both sides so you are left with (y-3) = 4, Add 3 to both sides to solve that y = 7. 
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