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Mathematics 8 Online
OpenStudy (anonymous):

factor 5x2-40x+75

OpenStudy (anonymous):

You can use the quadratic equation to factor 5x2-40x+75 if you are not to sure on how to you use the foil method

OpenStudy (campbell_st):

take out 5 as a common factor \[5(x^2 - 8x + 15)\] the quadratic inside the bracket can be factorised. find the factors of 15 that add to - 8....(hint, they are both negative)

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