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Mathematics, 28.10.2020 17:50 Weser17

ERROR ANALYSIS Describe the error in solving the equation Х
2(x + 1)2 + 3 = 21
2(x + 1)2 = 18
(x + 1)2 = 9
x + 1 = 3
x = 2
You must subtract 1 from each side before taking the square root.
The was not used when taking the square root.
You must take the square root before dividing each side by 2.
You must take the square root before subtracting 3 from each side.


ERROR ANALYSIS Describe the error in solving the equation

Х
2(x + 1)2 + 3 = 21
2(x + 1)2 = 18
(x

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Answers: 2

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ERROR ANALYSIS Describe the error in solving the equation Х
2(x + 1)2 + 3 = 21
2(x + 1)...
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