3 years ago

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

Mathematics

1 answer:

Licemer1 [7]3 years ago

5 0

Answer:

Step-by-step 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

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