chelseacharnp5eokb
chelseacharnp5eokb chelseacharnp5eokb
  • 27-10-2019
  • Mathematics
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Help! what are the solutions of this quadratic equation? x^2+ 4=8x+5

Help what are the solutions of this quadratic equation x2 48x5 class=

Respuesta :

xpepzikittyz
xpepzikittyz xpepzikittyz
  • 27-10-2019

Answer:

D

Step-by-step explanation:

x^ 2+4=8x+5

Step 1: Subtract 8x+5 from both sides.

x^2+4−(8x+5)=8x+5−(8x+5)

x^2−8x−1=0

Step 2: Use quadratic formula with a=1, b=-8, c=-1.  (attatched)

x=4+√17 or x=4−√17

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mourfious
mourfious mourfious
  • 31-10-2019

Answer:

Here

D is correct

Step-by-step explanation:

........................................

Plzz....

Mark it as a brilliant answer

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