SOLUTION: how do you factor x squared minus 196?

Question 471012: how do you factor x squared minus 196?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given expression.

Rewrite as .

Rewrite as .

Notice how we have a difference of squares where in this case and .

So let's use the difference of squares formula to factor the expression:

Start with the difference of squares formula.

Plug in and .

So this shows us that factors to .

In other words .

RELATED QUESTIONS
how do you factor x squared minus x minus 40? (answered by josgarithmetic)

How do you factor 6x squared minus x minus 15 (answered by lynnlo,MathTherapy)

How do you factor 21a squared minus 159a minus... (answered by jsmallt9)

how do you factor x squared minus eight x minus... (answered by jim_thompson5910)

How will you factor x squared minus 12x minus... (answered by jim_thompson5910)

How do you factor completely 9w squared minus... (answered by Alan3354,rapaljer)

How do you factor out these polynomials: 2c squared plus 10c minus 48, and 3m squared... (answered by rfer)

how do i factor 4x squared minus 81y... (answered by richwmiller)

how do you factor 12 squared minus c plus 20 doing the AC method (answered by stanbon)