66.9k views
1 vote
Use completing the square to solve for x in the equation (X+ 70X-9) = 20

User Godzsa
by
8.1k points

1 Answer

7 votes

Answer:

0.408451

Explanation:

(x+70x-9)=20

add x's together

71x-9=20

change symbol and drop number

71x=20+9

71x=29

divide 29 by 71

x=0.408451

User Steven Liao
by
8.7k points

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