November 2018 1 69 Report
Doprowadź wyrażenia do najprostszej postaci.
(2x+y)(x-y)+(3x+y) ^{2} =
(x-y)(x+y)-(2x-y) ^{2} =
(3-a) ^{2} -4(a+2) ^{2} -(a-1)=
(2p-3a) ^{2} +(p-2a) ^{2} -(p+3a)(p-3a)=
(n+2n) ^{2} -3(m-2n) ^{2} -5(m+2n)=
(5-1) ^{2} +(42+1) ^{2} -(2z+4)=

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