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Question
Factorize each of the following expression:
x4 − (2y − 3z)2
Solution
\[x^4 - (2y - 3z )^2 \]
\[ = ( x^2 )^2 - (2y - 3z )^2 \]
\[ = [ x^2 - (2y - 3z)][ x^2 + (2y - 3z)]\]
\[ = ( x^2 - 2y + 3z)( x^2 + 2y - 3z)\]
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