Special Products
SpecialProductsExample 124
Question
Factor $4a^{2} - b^{2} $
Answer
$\;\;\;4a^{2} - b^{2} $
$=(2a)^2 - (b)^2 $
$=A^2-B^2 \text{ , where } A = 2a \text{ and } B = b$
$=(A + B)( A - B) $
$=(2a + b)(2a - b)$
Newer Post
Older Post
Home