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Solve using the quadratic formula only: x^2-2x-48 (5y+2)(y-1)=2y+1 Solve by completing the square: (a-2)(a+1)=3 Please explain how?

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  • Solve using the quadratic formula only: x^2-2x-48 (5y+2)(y-1)=2y+1 Solve by completing the square: (a-2)(a+1)=3 Please explain how?


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