mhjmomo
mhjmomo
15-03-2015
Mathematics
Answered
Factor:
4x^2+4xy−288y^2
Answer :
konrad509
konrad509
15-03-2015
[tex] 4x^2+4xy-288y^2=\\ 4(x^2+xy-72y)=\\ 4(x^2+9xy-8xy-72y)=\\ 4(x(x+9y)-8y(x+9y))=\\ 4(x-8y)(x+9y)[/tex]
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