1.Wykonaj redukcję i mnożenie wyrazów podobnych: a) 2*(x+y)-3x+2y+x*(x+2y)= b) (a+b)*(a-2)+2a-2b+a2-2ab= c) 3a*(2a+b)-2ab+2b-3a= d) 5a*(b+ab)-3*(a+2b)-2a2+3b2= 2. dodaj wielomiany: a) 2x+2y-5+2x2-3y2+7x+(-3x)+2x2-5= b) 2x+2y-5+2x2-3y2+7x-(-3x)+2x2-5= c) 2x+2y-5-2x2-3y2+7x+(-3x)+2x2-5= Dam naj.. !!
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1.a)2x+2y-3x+2y+x2+2xy=x2-x+4y+2xy
b)a2-2a+ab-2b+2a-2b+a2-2ab=2a2-4b-ab
c)6a2+3ab-2ab+2b-3a=6a2+ab+3a+2b
d)5ab+5a2b-3a-6b-2a2+3b22.
2.4x2-3y2+6x+2y-10
1.
a) 2*(x+y)-3x+2y+x*(x+2y)= 2x+2y-3x+2y++2xy= -x+4y++2xy
b) (a+b)*(a-2)+2a-2b+a2-2ab= -2a+ab-2b+2a-2b+ - 2ab= 2 -4b-ab
c) 3a*(2a+b)-2ab+2b-3a= 6a+3ab-2ab+2b-3a= 6a+ab-3a
d) 5a*(b+ab)-3*(a+2b)-2a2+3b2= 5ab+5b-3a-6b-2 +3
2.
a) 2x+2y-5+2x2-3y2+7x+(-3x)+2x2-5=
b) 2x+2y-5+2x2-3y2+7x-(-3x)+2x2-5=
c) 2x+2y-5-2x2-3y2+7x+(-3x)+2x2-5=
Proszę o naj ;)