3(x+y)*(x-y) i to wszystko podzielić na 2. za x=-2 y=1 dam BŁAGAM!.... Question from @wszechmarta

September 2018 2 14 Report

3(x+y)*(x-y) i to wszystko podzielić na 2. za x=-2 y=1 dam BŁAGAM!

xkasiax1998

3x (-2+1) x (-2 -1) :2= 3 x -1 x -3 :2 =-3 x -3:2 = 9:2 =4,5
Licze na naj.;D

1 votes Thanks 1

nastka1

[3(x+y)*(x-y)]/2=[3(-2+1)*(-2-1)]/2=[3*(-1)*(-3)]/2=9/2=4,5

Myślę, że pomogłam i proszę o naj;D

1 votes Thanks 1

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