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8*x^3+x^2-9;x-1
3*x^3+x^2-9;x-3
(x-6)*(3-x) < 0;x
x
3*x^3+x^2-9;x+3
3*x^3+x^2-9;x-2
| 9x-5=3x-20 | | (10x-9y)(10x+9y)=n | | 6x+10=3x+15 | | |3-6a|/5=5 | | (50x-9y)(50x+9y)=n | | (3-6a)/5=5 | | -1x-2+4=4 | | 8+2x=7-(5x) | | x+3+5x=81 | | x+(2x)+((2x)+5)=100 | | 8b^2-34b-9=0 | | 3sin(x)-5cos(x)=0 | | (3p+10)+5p=90 | | -4(-2c+1)+3c=5c-28 | | H(t)=-16t^2+192t+208 | | 4z-9=9z-35 | | ((n+9)-n)((n+9)+n)=((n+7)-n)((n+7)+n)+64 | | 1/4(8x-12)_14 | | (x-7)+(y+7)=97 | | Y-x=y+5 | | 6a=4a-2a/7 | | d=75 | | Y=x^2-8x-240 | | 11+-3v=41 | | 2(5-0)=2-40 | | 2.5x+2.4=-6.7 | | 10w+19=54+6w-14 | | x=97-(x-7) | | x^2+11x=3 | | X-4+x(-6)=100 | | x^2-13x+30x=0 | | 8=.2n |