Return to Assignments Quadratic equations (abc-formula)

### Assignment 6

Solve:

### Solution

Factorization is not easy and thus we apply the -formula:

Both solutions are::

So we have two equal or coinciding solutions.

Note that we could also have applied one of the special products:

When we take:

and

we could have written:

and found the solution.

The so-called special products seem to be forgotten in recent years, but in this example they show their usefulness.