charnaetoney13
04.02.2020 •
Mathematics
Astudent factors 15c^2 + c – 28 to the following.
(c + 2)(15c – 14)
which of the following statement about (c + 2)(15c – 14) is true?
a. the expression is equivalent, and it is completely factored.
b. the expression is equivalent, but it is not completely factored.
c. the expression is not equivalent, but it is completely factored.
d.the expression is not equivalent, and it is not completely factored.
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Ответ:
Ответ:
Answer : C. The expression is not equivalent, but it is completely factored.
can be factored
15 * -28 = -420
21 and -20 are the factors whose sum is +1 and product is -420
This is not equivalent to (c + 2)(15c - 14)
But (c + 2)(15c – 14) is completely factored
So , The expression is not equivalent, but it is completely factored.
Ответ:
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Step-by-step explanation:
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