15x2 - 24x + 9 = 3*(5x2 - 8x + 3) = 3*(5x2 - 5x - 3x + 3)= 3*[5x(x - 1) -3*(x - 1)]
= 3*(5x - 3)*(x - 1) . . . . . (A)
3x - 3 = 3*(x - 1) . . . . . . . (B)
So, (A) and (B) have 3*(x - 1) as common factors and cancelling these gives
(A)/(B) = 5x - 3
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One-houndred and thirty five.
2x2=4 1x4=4 3x3=9 1x9=9
-3(x - 3)(x + 1)(x + 1)
48 divided by 6 plus 9 is 17.
48 divided by 6 plus 45 divided by 9 = 8 + 5 = 13