Question

Select the two values of x that are roots of this equation.

x2 + 2x- 6 = 0
A. X= -1 - 7
B. x= -1+ 7
C. x = -1 - 2-17
2
D. x = -1 + 2-17

Answer 1

a and b.

Explanation:

i’m assuming that the 7 is square root of seven.

ap3x verified

Answer 2

x = 2, -3

Explanation:

`x^2 + 2x- 6 = 0\\=>x^2 +3x - 2x- 6 = 0\\=>x(x+3) - 2(x +3) = 0\\=> (x-2)(x+3) = 0\\\\`

(x-2) = 0 or (x+3) = 0

x = 2 or x = -3

Thus, two values of x are x = 2, -3

Note: The options given are incorrect.