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Rus_ich [418]
2 years ago
14

Which expression is equivalent to 36x2 - 25?

Mathematics
1 answer:
Dimas [21]2 years ago
3 0

Answer:

The equivalent expression is: (6x + 5)*(6x - 5)

Step-by-step explanation:

This expression is called the difference of two squares.

It has the following format: a^{2} - b^{2}

It is factored as: a^{2} - b^{2} = (a-b)*(a+b)

In this question:

a^{2} - b^{2} = 36x^{2} - 25

So

a^{2} = 36x^{2}, then a = \sqrt{36x^{2}} = 6x

b^{2} = 25, then b = \sqrt{25} = 5

So

The equivalent expression is: (6x + 5)*(6x - 5)

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Answer:

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Step-by-step explanation:

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3 years ago
Read 2 more answers
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2 years ago
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Let
x-------------->  the number of slices eating by Consuela  and her <span>three friends

we know that
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</span><span>Consuela and her friends share the rest of the pizza, each eating the same number of slices---------> 14/4= 3.5 slides of pizza each  (</span><span>this part is not necessary, but it is shown in a didactic way)
</span><span>
the question is 
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<span>
the answer is (1/8)

</span>
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