# Math Help - factoring with Special Products

1. ## factoring with Special Products

Someone teach me how to factor

(2c-5)^2 - 121

and

x^2 - (y+z)^2

ty

2. ## Re: factoring with Special Products

Originally Posted by Thenewguy
Someone teach me how to factor

(2c-5)^2 - 121

and

x^2 - (y+z)^2

ty
Hi Thenewguy,

Do you know that,

$(a-b)(a+b)=a^2-b^2$

This will be important to factor your two expressions.