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Expand and simplify x(2x+1)(x-3)

First multiply the brackets to get: (2x2 - 6x + x - 3), Simplify to get: (2x2 - 5x - 3), This is then all multiplied by x to get: 2x3- 5x2 - 3x.

Answered by George G. • Maths tutor

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