Question

What are the solutions to the equation 0 = x2 – x – 6? Check all that apply. x = –3 x = –2 x = 0 x = 2 x = 3

Answer 1

X=-3
= (-3)2-(-3)-6
= - 6-18
= - 12
X =-2
= (-2)2-(-2)-6
= - 4 - 12
=-16
X=0
= (0)2-0-6
= - 6
X=2
= (2)2-(2)-6
= 4+12
= 16
X=3
= (3)2-3-6
= 6-9
= - 3
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Answer 2

Answer:

Step-by-step explanation:

When x=-3

(-3)^2-3-6=9+3-6=6

Therefore X=-3 is not a solution

When x =-2

(-2)^2-(-2)-6=4+2-6=0

Therefore X=-2 is a solution

When x=0

(0)-0-6=6

Therefore X=0 is not a solution

When x=2

(2)^2-2-6=4-2-6=-4

Therefore X=2 is not a solution

When x=3

(3)^2-3-6=9-3-6=0

Therefore X=3 is a solution