BrezzyGirl9148
24.03.2020 •
Mathematics
Error Analysis Kwan's work is shown below. What mistake did he make?
(5x2 – 3x + 1) - (2x2 - 4x - 2) = 5x2 - 3x + 1 - 2x2 - 4x - 2
5x2 – 2x2 – 3x - 4x + 1 - 2
= 3x2 – 7x - 1
Solved
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Ответ:
5 meters to the left
Step-by-step explanation:
Given that :
First travel : 14 meters to the right
Second travel : 19 m to the left
Final position :
First travel - Second travel.
(14 m - 19m)
Final position = - 5 m
-5m = 5 meters to the left.