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

1 Answer
EZ as pi
Jun 3, 2018

There are no rational and real factors.

Explanation:

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

However, the expression #x^2 +8x -20# has two factors:

#(x+10)(x-2)#

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

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