plz answer this question as fast as possible plz plz plz
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Step-by-step explanation:
4 number ka answer ye hai
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Answered by
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Step-by-step explanation:
4) 12m^2-27
=> 3(4m^2-9)
=> 3[(2m)^2-(3)^2]
=> 3(2m+3)(2m-3)
5)125x^5-45y^2
=> 5(25x^2-9y^2)
=> 5[(5x)^2-(3y)^2]
=>5(5x+3y)(5x-3y)
6)144a^2-169b^2
=> (12a)^2-(13b)^2
=>( 12a+13b)(12a-13b)
7)(2a-b)^2-16c^2
=> (2a-b)^2-(4c)^2
=> (2a-b+4c)(2a-b-4c)
8)(x+2y)^2-4(2x-y)^2
=> (x+2y)^2-[2(2x-y)]^2
=> (x+2y+4x-2y)(x+2y-4x+2y)
=> (5x)(4y-3x)
9)3a^5-48a^3
=> 3a^3(a^2-16)
=> 3a^3(a^2-4^2)
=> 3a^3(a+4)(a-4)
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