Wzory skróconego mnożenia:
(x-4y)^2=
proszę o szybką pomoc i rozpisanie
(x-4y)^2= x²-8xy+16y²
licze na najj;)
(x-4y)^2= x^2- 2*x*4y+ 4y^2= x^2-8xy+16y^2
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(x-4y)^2= x²-8xy+16y²
licze na najj;)
(x-4y)^2= x^2- 2*x*4y+ 4y^2= x^2-8xy+16y^2