
Patrick B. answered 02/13/19
Tutor
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(31)
Math and computer tutor/teacher
1st is x
2nd is x+1
3rd is x+2
x(x+2) = 3(x+1)+3
x^2 + 2x = 3x + 3 + 3
x^2 + 2x = 3x + 6
x^2 -x - 6 = 0
( x - 3 )( x + 2 ) = 0
x=3 or x = -2
-2, -1, and 0 OR 3,4, and 5