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Solve using substitution
x^2 -4x+20=0

User CkH
by
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1 Answer

1 vote

Answer:

Explanation:

x^2 - 4x + 20 = 0

x^2 - 4x = -20

x^2 = 4x - 20

x = 2x - 4.47

-3x = -4.47

x = roughly 1.5

User Mackenzie
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