Answer:
1. The product of 3 numbers x, y, z.
2. 5 more than the quotient of the square of a number f and 4.
3. 3 less than 4 times a number m.
4. The sum of twice the square of number a and thrice the square of another number b.
5. The quotient of 7 more than a number x and 7 less than the same number.
