Question
$$a^2-b^2=$$ [...]
$$a^2-b^2=(a+b)(a-b)$$

Question
$$a^2-b^2=$$ [...]
?

Question
$$a^2-b^2=$$ [...]
$$a^2-b^2=(a+b)(a-b)$$
If you want to change selection, open original toplevel document below and click on "Move attachment"

#### Parent (intermediate) annotation

Open it
The difference of two squares identity is a squared number subtracted from another squared number to get factorized in the form of a2−b2=(a+b)(a−b).

#### Original toplevel document

Difference Of Squares | Brilliant Math &amp; Science Wiki
Bhardwaj , 敬全 钟 , Sam Reeve , and 10 others Ashley Toh Lucerne O' Brannan Satyabrata Dash Ben Sidebotham Sandeep Bhardwaj Derek Guo Jongheun Lee Mahindra Jain Jimin Khim Tara Kappel contributed <span>The difference of two squares identity is a squared number subtracted from another squared number to get factorized in the form of $a^2-b^2=(a+b)(a-b).$ We will also prove this identity by multiplying polynomials on the left side and getting equal to the right side. This identity is often used in algebra where it is useful in applicatio

#### Summary

status measured difficulty not learned 37% [default] 0

No repetitions