exam Maths Puzzle Numerical Ability

Please help me solve this equation: (((-y^2+2y+8=0)))

Read Solution (Total 0)

exam Other Question

The sum of the digits of a two-digit counting number was 9. When the digits were reversed, the new number was 45 less than the original number. What was the original number? simplify the following completly as possible
________________
3 |
| 36x^2 y^5 z^3
|