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Factorize the expression: $63a^2-112b^2$.
Given: The expression: $63a^2-112b^2$.
To do: To factorize the expression: $63a^2-112b^2$.
Solution:
$63a^2-112b^2$
$=7( 9a^2-16b^2)$
$=7[( 3a)^2-( 4b)^2]$
$=7( 3a- 4b)( 3a+4b)$
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