Algebra-1

First, factor the quadratic trinomial -x² + 7x - 10.

We can rewrite it as -(x² - 7x + 10).

Now factor x² - 7x + 10. We need to find two numbers that multiply to 10 and add up to -7.

The factors of 10 are: 1, 2, 5 and 10.

We need to find two numbers whose sum is -7. The numbers are...