How do i work this out? (picture is included) q3
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![answer](/tpl/images/cats/otvet.png)
Answers: 2
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Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.
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![image](/tpl/images/cats/mat.png)
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