Each time they assume the sum<span> is </span>rational<span>; however, upon rearranging the terms of their equation, they get a contradiction (that an </span>irrational number<span> is equal to a </span>rational number<span>). Since the assumption that the </span>sum of a rational<span> and </span>irrational number<span> is </span>rational<span>leads to a contradiction, the </span>sum<span> must be </span>irrational<span>.</span>
Step 1 ) Separate the 4 and x.

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Step 2 ) Simplify the square root of 4.

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Step 3 ) Simplify.

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This is now in its simplest form, so the final answer is...

or it could be...

Either one is correct. Only difference is one is in simplest form and one isn't.
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- Marlon Nunez
Answer:
1 no
2yes
3 no
4 no
5 Yes
6 Yes.
so it gives you a pattern right there a squared plus b squared equals c squared just fill in the numbers in that way