alexamarieriveraar21 alexamarieriveraar21

11-11-2019
Mathematics

contestada

Find the roots of the equation by factoring. X^2 - 2x = 15

Respuesta :

PhillSwift PhillSwift

11-11-2019

Answer:

x = 5

Step-by-step explanation:

5x5 = 25

25- 10 = 15

15 = 15

Answer Link

katherine2246 katherine2246

11-11-2019

Roots: 5 and -3
The factors are -5 and 3 because they add to -2 and multiply to -15.
X^2 -2x = 15
-15 -15
X^2 -2x -15 = 0
(X -5) (x +3)
X= 5 and -3

Answer Link

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