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3 votes
Solve x^2-8x=3 by completing the square.Which is the solution set of the equation ?

User Acaz Souza
by
7.8k points

1 Answer

4 votes

Answer: x = 4 +/-
√(19)

Explanation:

x² - 8x + 16 = 3 + 16

↓ ↑ ↑


(-8)/(2) = (4)^(2)

(x - 4)² = 19


\sqrt{(x - 4)^(2)} = √(19)

x - 4 = +/-
√(19)

x = 4 +/-
√(19)


User Brion
by
8.4k points

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