Alex9089435028
16.11.2019 •
Mathematics
Which of the following is a factor of 9x2 + 21x + 10?
3x + 5
9x + 2
9x + 5
none of the above
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Ответ:
2, 45
3, 30
6, 15
6/9, 15/9, 2/3, 5/3
3x+2, 3x+5
So, The Answer Is A
Ответ:
The correct option is (A) 3x + 5.
Step-by-step explanation: We are given to select the correct factor of the following quadratic expression :
To factorize the given expression, we must find two numbers whose sum is 21 and product is 90.
The factorization of the given expression is as follows :
Therefore, the required factors of the given expression are (3x + 2) and (3x + 5).
Thus, the factor (3x + 5) is the correct one.
Hence, option (A) is CORRECT.
Ответ:
hope it : -)