Use completing the square to solve for x in the equation (X+ 70X-9) = 20

asked Oct 4, 2020 66.9k views

1 vote

8.1k points

Please log in or register to add a comment.

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

Steven Liao answered Oct 9, 2020