Translate the folloeing words into algebraic expressions (use x as the unknown number)

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1. The difference of three and twice a number

2. The quotient of a twice a number and two

3. Nine increased by a number cubed

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MATHEMATICAL EXPRESSION

1. The difference of three and twice a number.

3 - 2x

2. The quotient of a twice a number and two.

2x ÷ 2

3. Nine increased by a number cubed.

9 + x³