Word Problems

Word Problems

The difference of two numbers is 4 and their product is 21. Find the sum of cubes of these numbers.

The difference of two numbers is 11 and their product is 180. Find the difference of their cubes.

The difference of two numbers is 2 and their product is 15. Find the difference of squares of these numbers.

The difference of two numbers is 7 and their product is 78. Find the sum of their cubes.

The sum of a number and 1 divided by this number is 9. Find the sum of squares of this numbers .

The difference of a number and 1 divided by this number is 15. Find the difference of cubes of these numbers .

x-y=3 and xy=2. find x²+y².

x+y=5 and xy=3. find x²+y²=?.

x²+y²=8 and x+y=3. find xy=?.

A rectangle with side lengths of 8 and a+9 is given. if the area of this rectangle is 144 cm². Find length og its sides.

HomeWork

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