(0,6x+1,5y)2 = (0,6x+1,5y)(0,6x+1,5y)= 0,36x2 + 0,9xy + 0,9xy + 2,25y2= 0,36x2 + 1,8xy + 2,25y2
(18y3−56)2 = (18y3−56)(18y3−56)= 324y6 - 1008y3 + 3136
(0,1x+1,3y)2 = (0,1x+1,3y)(0,1x+1,3y)= 0,01x2 + 0,13xy + 0,13xy + 1,69y2= 0,01x2 + 0,26xy + 1,69y2
(18y3−78)2 = (18y3−78)(18y3−78)= 324y6 - 1404y3 + 6084
-4(0,2p−t)2 = -4(0,2p-t)(0,2p-t)= -4(0,04p2 - 0,4pt + 0,01t2)= -0,16p2 + 1,6pt - 0,04t2
(0,6x+1,5y)2 = (0,6x+1,5y)(0,6x+1,5y)
= 0,36x2 + 0,9xy + 0,9xy + 2,25y2
= 0,36x2 + 1,8xy + 2,25y2
(18y3−56)2 = (18y3−56)(18y3−56)
= 324y6 - 1008y3 + 3136
(0,1x+1,3y)2 = (0,1x+1,3y)(0,1x+1,3y)
= 0,01x2 + 0,13xy + 0,13xy + 1,69y2
= 0,01x2 + 0,26xy + 1,69y2
(18y3−78)2 = (18y3−78)(18y3−78)
= 324y6 - 1404y3 + 6084
-4(0,2p−t)2 = -4(0,2p-t)(0,2p-t)
= -4(0,04p2 - 0,4pt + 0,01t2)
= -0,16p2 + 1,6pt - 0,04t2