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AngelAnn112
AngelAnn112 AngelAnn112
  • 18-07-2016
  • Mathematics
Answered

Solve this quadratic equation using the quadratic formula. 2x^2 - 10x + 7 = 0

Verified Answer :

FirstSineOfMadness
FirstSineOfMadness FirstSineOfMadness
  • 18-07-2016

The quadratic formula is (-b+-sqrt(b^2-4ac))/(2a)
In your equation,
A=2
B=-10
C=7
Plugging these in we get
(10+-sqrt(100-4(2)(7)))/(2*2)
=(10+-sqrt(44))/4
=(10+-6.633)/4
=16.633/4 or -3.366/4
=4.158 or -0.841

Final Answer:
x=4.158 or x=-0.841
Hope I helped :)

Answer Link
danyarussoovxw31 danyarussoovxw31
  • 31-07-2019

Answer:

x=5 (+-) sqr root 11 / 2

Step-by-step explanation:

Answer Link

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