(3m-4n)^2+2(3m-4n)(3m+4n)-3(3m+4n)^2
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(3m-4n)^2+2(3m-4n)(3m+4n)-3(3m+4n)^2(3m-4n)^2+2(3m-4n)(3m+4n)-3(3m+4n)^2(3m-4n)^2+2(3m-4n)(3m+4n)-3(
(3m-4n)^2+2(3m-4n)(3m+4n)-3(3m+4n)^2
(3m-4n)^2+2(3m-4n)(3m+4n)-3(3m+4n)^2
(3m-4n)^2+2(3m-4n)(3m+4n)-3(3m+4n)^2
=9m^2-24mn+16n^3+18m^2-32n^2-27m^2-72mn-48n^2
=-96mn-64n^2
=-96*(-2)*1/4-64*(1/4)^2
=48-4
=44
(3m-4n)(4n+3m)-(2m-n)(2m+n)
4m(m-n)^2+4n(n-m)^3
[(m-n)^2*(m-n)^3]^2/(m-n)^4
[(m-n)^2*(m-n)^3]^2/(m-n)^4
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(m-2n)(2n+m)-(-3m-4n)(4n-3m)=
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