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Solve x2 – 8x = 3 by completing the square. Which is the solution set of the equation? HURRY PLZZZZ

2 Answers

4 votes

Answer:

x²-8x=3

x²-8x+16=3+16=19

(x-4)²=19

x-4=±√19

x=4±√19

x=8.3589 approx or x=-0.3589 approx {4-√19,4+√19} or {-0.3589,8.3589}

Explanation:


answered
User Andy Holmes
by
8.6k points
1 vote

x²-8x=3

x²-8x+16=3+16=19

(x-4)²=19

x-4=±√19

x=4±√19

x=8.3589 approx or x=-0.3589 approx {4-√19,4+√19} or {-0.3589,8.3589}

answered
User James Jacques
by
8.1k points

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