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kendra95
31.12.2019 •
Mathematics
Find $a$ such that $ax^2+15x+4$ is the square of a binomial
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Ответ:
Step-by-step explanation:
Ответ:
Step-by-step explanation:
We want to find
such that:
two same numbers,
, multiply to be
and
add up to be 15.
We can solve the last equation by dividing both sides by 2:
So this means
can be rewritten as:
Divide both sides by 4:
So
.
Let's check:
Ответ:
Im here to answer