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Why can't x^2+9 be factored? And is there a way to tell if a problem can be factored or not just by looking at it?

Why can't x^2+9 be factored? And is there a way to tell if a problem can be factored or not just by looking at it?
asked 234k views
1 vote
Why can't x^2+9 be factored? And is there a way to tell if a problem can be factored or not just by looking at it?

asked
User William Denton
by
8.0k points

1 Answer

0 votes

Answer:

There are no like terms

Explanation:

×^2+9

=ײ+9

answered
User Jakub Bartczuk
by
8.4k points
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