Respuesta :
No, the work is not correct. The distributive property was not used properly to expand the expression. Negative 6 should be multiplied by both terms in the parentheses. The second product should be -6 times -2/13 to get positive 12/13.
The student made an error by expressing the product of two negative signs as a negative sign instead of a positive sign to have a correct expression of -24x + 12/12
Expressions are functions having more than one term.
Given the expression expanded by a student as −6 ( 4x − 2/ 13 )
Expanding using the distributive theorem;
= −6 ( 4x − 2/ 13 )
= -6(4x) -6(-2/13)
= -24x + 6(2/13)
= -24x + 12/12
The student made an error by expressing the product of two negative signs as a negative sign instead of a positive sign to have a correct expression of -24x + 12/12
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