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Expression : $$4x^2 + 6x - 18 = 0$$
=> $$4x^2 - 6x + 12x - 18 = 0$$
=> $$2x(2x - 3) + 6(2x - 3) = 0$$
=> $$(2x + 6) (2x - 3) = 0$$
=> $$x = \frac{3}{2} , -3$$
=> Ans - (C)
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