a) x*+5y= b) 1/4x(-2)#abcxb*a= c)-3(4a-b)= a=-1/2 b)=7 d)(7x*-6x)-(2x-9x*)= e)18x+27y-9= f)4(3x-y*)-3(6x-2y*)= WYJASNIENIE: *= DO KWADRATU #=do szecianu

a) x²+5y b) 1/4x(-2)³abcxb²a=1/4x-8a²b³cx c)-3(4a-b)= -12a+3b=6+21=27 d)(7x²-6x)-(2x-9x²)=7x²-6x-2x+9x²=16x²-8x=8x(2x-1) e)18x+27y-9=3(6x+9y-3) f)4(3x-y²)-3(6x-2y²)=12x-4y²-16x+6y²=2y²-4x

a) x²+5y b) 1/4x(-2)³abcxb²a=1/4x-8a²b³cx c)-3(4a-b)= -12a+3b=6+21=27 d)(7x²-6x)-(2x-9x²)=7x²-6x-2x+9x²=16x²-8x=8x(2x-1) e)18x+27y-9=3(6x+9y-3) f)4(3x-y²)-3(6x-2y²)=12x-4y²-16x+6y²=2y²-4x