Determine which factoring technique is appropriate for the given polynomial.
-$x^{2}-25$
A) factor out GCF
B) difference of cubes
C) difference of squares
D) sum of squares

Question

Quizplus · Accepted Answer

The given polynomial $x^{2}-25$ can be written as $x^{2}-5^{2}$, which is a difference of squares. The formula for factoring a difference of squares is $a^{2} - b^{2} = (a - b)(a + b)$.

Determine Which Factoring Technique Is Appropriate for the Given Polynomial x2−25x^{2}-25x2−25

Determine Which Factoring Technique Is Appropriate for the Given Polynomial $x^{2}-25$