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Solve to the nearest tenth

Solve to the nearest tenth-example-1
User Ghpguru
by
3.3k points

2 Answers

3 votes

Answer:


x=14.7, -0.7

Explanation:


x^2-10x-9=2x\\x^2-12x-9=0\\x^2-12x=9\\(x^2-12x+36)=45\\(x-6)^2=45\\โˆš((x-6)^2)=โˆš(45) \\x-6=6.7\\x-6=-6.7\\x=14.7, -0.7

User Zamith
by
3.0k points
3 votes

Answer:

-9 = -10x

x = -1

Explanation:

User CrouZ
by
3.1k points