Which polynomial is factored completely?

Mathematics

1 answer:

ira [324]3 years ago

8 0

<h3>Answer:</h3>

121x² + 36y²

<h3>Explanation:</h3>

The question is equivalent to, "which answer cannot be factored anymore?"

This is the sum of squares (11x)² +(6y)². Such a sum has no factorization in real numbers.
The first factor can have a factor of 4 removed: (4x+4) = 4(x+1)
The difference of squares can be factored: (x²-4) = (x-2)(x+2)
Each term has a coefficient that is a multiple of 3, so 3 can be factored out.

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