gokdfish gokdfish
  • 17-03-2018
  • Mathematics
contestada

can someone please help me with Q1

can someone please help me with Q1 class=

Respuesta :

backseatdog
backseatdog backseatdog
  • 17-03-2018
Solve by completing the square:

x²+8x-7
= x²+8x+16-16-7
= (x+4)²-16-7
=(x+4)²-23
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