2. Solve the fóllówing inequalities: (a) {x: x-3x < 5x² - 9x} (b) {x: 6x-x > 0} 2x 2-1 (c) {x: 20} (x-2)(x+1) (d) {x20} X+1

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A: For (a),     -7x+8≤ 4x-2⇒-7x≤ 4x-10⇒-11x≤ -10⇒x≥1011 For (b),     3-4xx+17-2x≤ 0⇒x≤ -1  or  34≤ x≤72

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Q: of inequalities. x+2ys4

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A: See the attachment

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