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Mathematics 22 Online
OpenStudy (anonymous):

select the product of (5x-4)(5x-4)

OpenStudy (jojo4eva):

the answer is 25x^2-40x+16

OpenStudy (mrnood):

Just use the 'FOIL' method to multiply out the brackets OR note that \[(a-b)^{2}=a ^{2}-2ab+b ^{2}\]

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