# Factoring Polynomials

Please help solve these problems:

1. If the sides of a square are lengthened bt 5cm, the area becomes 169cm2. Find the length of a side of the original square.

2.4b2 + 49 - 28b =

3.28b2 + 196 bt + 343t2 (factor completely)

4. Solve 25x4 - 25x2 + 6 = 0

5. Solve x2 + 6x - 4 = 0

https://brainmass.com/math/basic-algebra/factoring-polynomials-169777

#### Solution Preview

Please see the attached file for the complete solution.

Thanks for using BrainMass.

1. If the sides of a square are lengthened by 5cm, the area becomes 169cm2. Find the length of a side of the original square.

First figure out the area as a function of the length of the sides:

Let x (unit: cm) be the sides of the original ...

#### Solution Summary

Poynomials are factored. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.