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Mathematics 24 Online
OpenStudy (anonymous):

Factor 25x^2-20x+4

hartnn (hartnn):

think of 2 numbers with product 25*4 = 100 and sum = -20

OpenStudy (anonymous):

5 and 4?

OpenStudy (anonymous):

can yu jus help me with the ans

hartnn (hartnn):

its -10 and -10

OpenStudy (anonymous):

buh dont ihave to write it properly in brackets

hartnn (hartnn):

so 25x^2 -10x -10x +4 5x (5x -2)-2(5x-2) clear till here?

hartnn (hartnn):

then u get (5x-2)(5x-2) as your factored answer , ok?

OpenStudy (anonymous):

thanks :)

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