Is it possible to factor $y = x^{2} + 8 x + 20$ $y=x^2+8x+20$ ? If so, what are the factors?

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Is it possible to factor $y = x^{2} + 8 x + 20$ $y=x^2+8x+20$ ? If so, what are the factors?

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Answer 1 · 2018-06-03T19:58:45

There are no rational and real factors.

Explanation:

The expression $x^{2} + 8 x + 20$ $x^2 +8x+20$ does not have real and rational factors.
There are no factors of $+ 20$ $+20$ which ADD to give $8$ $8$

However, the expression $x^{2} + 8 x - 20$ $x^2 +8x -20$ has two factors:

$(x + 10) (x - 2)$ $(x+10)(x-2)$

The factors $10 and - 2$ $10 and -2$ are factors of $- 20$ $-20$ can be added to give 8

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Is it possible to factor $y = x^{2} + 8 x + 20$ $y=x^2+8x+20$ ? If so, what are the factors?

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Explanation:

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