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09-07-2018
Mathematics

contestada

Factor x2 + 10x – 18.

a. (x – 2)(x – 9)

b. (x + 3)(x – 6)

c. (x – 2)(x + 5)

d. prime

please explain.

Respuesta :

AnimeBrainly AnimeBrainly

09-07-2018

x² + 10x – 18

Find factors of x² and -18 that will give you 10x when added

x² + 10x – 18

this is a prime, because there are no factors of -18 (-9 and 2 with negative interchangeably, and -6 and 3, with negative interchangeably) that will give you 10.

Therefore, you're answer is D. prime

hope this helps

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