aminahthecheater aminahthecheater
  • 17-09-2019
  • Mathematics
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what is the answer


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2(x - 1)^2 +4=16

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kennedy165
kennedy165 kennedy165
  • 17-09-2019
Using quadratic formula:
2(x^2-2x + 1) +4=16
2x^2-4x+6=16
2x^2-4+6-16=0 (then divide both sides by 2)
X^2 -2x- 5= 0
Then use quadratic formula
Answer is;
x = 1 + square root of 6
x = 1 - square root of 6
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