madi6437 madi6437

20-05-2021
Mathematics

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Which of the following are solutions to the equation below?
Check all that apply
4x²- 12x + 9 = 5

Which of the following are solutions to the equation belowCheck all that apply4x 12x 9 5 class=

Respuesta :

ferrybukantoro ferrybukantoro

20-05-2021

Answer:

A & B

Step-by-step explanation:

4x²- 12x + 9 = 5

4x²- 12x + 4 = 0

devided by 4

x²-3x+1=0

x = (3 ± √9-4)/2 = (3±√5)/2

x = (√5+3)/2 or x= (-√5+3)/2

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