camyiahwatts79 camyiahwatts79
  • 25-04-2020
  • Mathematics
contestada

Harry solved a quadratic equation. His work is shown below. In which step did Harry make an error? (x-5)^2+6=42

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arsingh93
arsingh93 arsingh93
  • 25-04-2020

Answer:

X = 11, - 1

Step-by-step explanation:

Given (x-5)^2 +6 = 42

Subtract 6 from sides

(x-5)^2 = 36

take the square root of both sides

X - 5 = +/- 6

X = 11, - 1.

Harry did not solve for X.

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melanyds611
melanyds611 melanyds611
  • 15-05-2020

Answer:

the correct answer is step two. I hope it help

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