Posted by Anna on Tuesday, July 24, 2012 at 2:40pm.
Divide and check:
(3x^22x13)divided by (x2)

Algebra  Henry, Wednesday, July 25, 2012 at 9:24pm
(3x^2  2x  13) / (x2) = (3x + 4),
5 Remainder.
Long division was used, but it is difficult to show here.
Check:
(x2)(3x+4) =
3x^2 + 4x 6x  8 =
(3x^2  2x 8) 5 = 3x^2  2x  13.