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6x3+1 6x3﹣3 6x3﹣3x2 6x3+3x2
(3x-1)(2x+5) (3x十1)(2x+5) (3x+1)(2x-5) 3x十1) (2x-5)
-1/3X4-1/3X5<=2/3 X4-X5<=-2 X4+X5+S=2 -1/3X4-1/3X5+S=-2/3
y=3(x+1)2 y=3(x﹣1)2 y=3x2+1 y=3x2﹣1
﹣2(3x﹣1)=﹣6x﹣1 ﹣2(3x﹣1)=﹣6x+1 ﹣2(3x﹣1)=﹣6x﹣2 ﹣2(3x﹣1)=﹣6x+2
g(x)=2x2-3x g(x)=3x2-2x g(x)=3x2+2x g(x)=-3x2-2x
﹣2(3x﹣1)=﹣6x﹣1 ﹣2(3x﹣1)=﹣6x+1
﹣2(3x﹣1)=﹣6x﹣2 ﹣2(3x﹣1)=﹣6x+2
﹣2(3x﹣1)=﹣6x﹣1 ﹣2(3x﹣1)=﹣6x+1 ﹣2(3x﹣1)=﹣6x﹣2 ﹣2(3x﹣1)=﹣6x+2
﹣3x2+4x+1 3x2﹣4x﹣1 ﹣3x2+1 3x2﹣1
3x﹣(2x﹣1)=3x﹣2x﹣1 ﹣4(x+1)+5=﹣4x+4+5 2x+7(x﹣1)=2x+7x﹣1 2﹣[3x﹣5(x+1)]=2﹣3x+5x+5
y=3(x+1)2 y=3(x-1)2 y=3x2+1 y=3x2-1