Factor mentally. Look for special products and greatest common factors. $x ^ { 2 } + 100$ One factor is
A) (x + 10)
B) (x + 20)
C) (x + 5)
D) (x - 10)
E) It cannot be factored.

Name: Factor mentally. Look for special products and greatest common factors. $x ^ { 2 } + 100$ One factor is A) (x + 10) B) (x + 20) C) (x + 5) D) (x - 10) E) It cannot be factored.
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Question

Quizplus · Accepted Answer

$x^2 + 100$ is a sum of squares, which cannot be factored over the real numbers.

Factor Mentally x2+100x ^ { 2 } + 100x2+100 One Factor Is A) (X + 10) B) (X

Factor Mentally $x ^ { 2 } + 100$ One Factor Is
A) (X + 10)
B) (X