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Please help me with number 18
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4 votes
Please help me with number 18

Please help me with number 18-example-1
User Vitaly Sharovatov
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in the 3rd row where it says "3x(x-3)(x+3)", it should be "3x(x+3)(x+3)" and the solutions should be -3,-3,0
User Cuonglm
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