x' – 4x² +7x-9 x-3 A x3 4x + 3 In Ix-31+ C * * + 4x + 3 In Ix-31 + C C x3 - 3. 3 B x3 D x3 *+ 4x + 3 In Ix-31+ C ||° +- 4x + 3 In Ix-3 1 + C x + 3 In I.x-3 1 + C 3 2 3 2.

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