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zanestone12
18.05.2021 •
Mathematics
A company surveyed both adults and children
about whether or not they liked a particular
game. The survey results are shown in the table.
Solved
Show answers
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Ответ:
We start with 10x^2 - 23x - 5
We need to find factors of ac (in this case, 10 and -5 or -50) that add to equal -23.
These are -25 and +2
Rewrite the problem by separating the middle term into two:
10x^2 + 2x - 25x - 5
From the first two terms, factor out the GCF (2x).
From the next two terms, factor out the GCF (-5).
Your first binomial is therefore (2x - 5).
Now divide ether 2x from the first two terms or -5 from the last two terms. Both will get you the same result: (5x + 1). That is your second binomial.
(2x - 5)(5x + 1) is your final answer.