pls factorize : 4^2 − 25
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hi army ....
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Realize that
4^2 - 25 is a difference square,such as a2-b2, can be factored into (a+b) (a-b). Since 4x2 = (2x)2 and 25= (5)2. We can say tagt 4x2 - 25=(2x+2)(2x-5)
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