harleyguerrieri
24.12.2019 •
Mathematics
Astudent factors 15c2 + c – 28 to the following.
(c + 2)(15c – 14)
which statement about (c + 2)(15c – 14) is true?
the expression is equivalent, and it is completely factored.
the expression is equivalent, but it is not completely factored.
the expression is not equivalent, but it is completely factored.
the expression is not equivalent, and it is not completely factored.
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Ответ:
C. The expression is not equivalent, but it is completely factored.
Ответ:
C
Step-by-step explanation:
when we factored the expression 15c2 + c – 28
= 15c2 + 21c-20c – 28
=3c(5c+7c)-4(5c+7c)
=(3c-4)(5c+7c)
hence the given expression is not equivalent, but it is completely factored.
Ответ: