Skrócone mnożenie :D to za nawiasemto potengi :D przykłady a ) (x-5)2 b) (y+6)2 c) (2a+3b)2 d) (5a-4b)2 e) (x+4)3 f) (y+-5)3 napewno podziękuje !!!
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a ) (x-5)^2 = x^2 - 10x + 25
b) (y+6)^2 = y^2 +12y +36
c) (2a+3b)^2 = 4a^2 + 12ab + 9b^2
d) (5a-4b)^2 = 25a^2 - 40ab + 16b^2
e) (x+4)^3= x^3 + 3x^2 * 4 + 12x^2 + 64
f) (y-5)3 = y^3 - 3y^2 * (-5) + 15y^3 - 125