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

Aaron Cohn asked Sep 26, 2022

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

Aaron Cohn asked Sep 26, 2022

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7 votes

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

Anil Chahal answered Oct 2, 2022

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