5x-3(4x-3) = 2(4-5x) +10
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5x-3(4x-3) = 2(4-5x)+10
=> 20x²-12x-15x+9 = 8-10x+10
=> 20x²-27x+9 = 18-10x
=> 20x²-27x+10x+9-18 = 0
=> 20x²-17x-9 = 0
=> 20x²-12x-15x+9 = 8-10x+10
=> 20x²-27x+9 = 18-10x
=> 20x²-27x+10x+9-18 = 0
=> 20x²-17x-9 = 0
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