Special Products
Example 119
$\;\;\;(3x + 2y^{5})(3x - 2y^{5})$
$=(A + B)( A - B) \text{ , where } A = 3x \text{ and } B = 2y^{5} $
$=A^2-B^2$
$=(3x)^2 - (2y^{5})^2 $
$=9x^{2} - 4y^{10} $
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