Find the values of x in this equation: x – 15 / x = 2.
a) -7, 3
b) -5, 2
c) -7, 5
d) -2, 5
e) -3, 5

E) -3, 5

Step-by-step explanation:

x – 15 / x = 2

x^2 - 15 = 2x

x^2 - 2x - 15 = 0

(x - 5)(x + 3) = 0

x - 5 = 0; x = 5

x + 3 = 0; x = -3

Solutions: -3, 5

For this case we must solve the following equation:

We manipulate the equation algebraically:

To solve, we factor the equation. We must find two numbers that when multiplied by -15 and when summed by -2. These numbers are:

+3 and -5.

So, the roots are:

Option E

a

b

d

step-by-step explanation:

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