5x(x+1)+7=5x²-4

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5x(x+1)+7=5x²-4
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5x(x+1)+7=5x²-4
5x(x+1)+7=5x²-4

5x(x+1)+7=5x²-4

5x(x+1)+7=5x²-4
5x²+5x+7=5x²-4
5x=-11
x=-11/5