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5x+3x=8 2x+3y=5xy 3ab﹣ab=2ab ﹣(a﹣b)=﹣a﹣b
(a2)3=a5 (ab)2=ab2 a6÷a3=a2 a2•a3=a5
3a+2b=5ab 2a3+3a2=5a5 5a2﹣4a2=1 3a2b﹣3ba2=0
5a2﹣3a2=2 2x2+3x2=5x4 3a+2b=5ab 7ab﹣6ba=ab
2a+3b=5ab (a﹣2)2=a2﹣4 a3•(﹣2a)2=4a5 (a2)3=a5
3a-a=3 a2+a3=a5 (-2a)3=-6a3 ab2÷a=b2
x2·x3=x6 (ab)3=a3b3 3a+2a=5a2 (x³)²= x5
a3·a5= a15 a3÷a5=a2 (-a2)3=-a6 (ab3)2=-ab6
3a+2b=5ab 3x+2x=6x -a-a=-2a -3xy+3xy=xy
-32 -(-3) (-3) 2
3x2y﹣2x2y=x2y 5y﹣3y=2 ﹣3x+5x=﹣8x 3a+2b=5ab
5a2﹣3a2=2 2x2+3x=5x3 3a+2b=5ab 6ab﹣7ab=﹣ab
3m﹣m=2 a2b﹣ab2=0 2x+3y=5xy xy﹣2xy=﹣xy
3a+2b=5ab 5y2-3y2=2 2ab-ab=ab 3x2y-5x2y=2x2y
3a+2b=5ab 2a3+3a2=5a5 5a2―4a2=1 3a2b―3ba2=0
3x+2x2=5x3 2a2b﹣a2b=1 ﹣ab﹣ab=0 ﹣x2y+yx2=0
a2•a3=a5 2a﹣a=2 (a+b)2=a2+b2 2a+3b=5ab
(a3)2=a6 (ab)3=a3b a•a3=a3 a8÷a4=a2