State a mathematical phrase for each English phrase.
3. Seven less than a number
4. Cube of a number increased
by nine
5. Square of the sum of a number and two
3. Seven less than a number
4. Cube of a number increased
by nine
5. Square of the sum of a number and two
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Answer:
The answers are :
3. x - 7
4. x³ + 9
5. ( x + 2 )²