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(x-3)*(2*x+1)*(x+1) < 0;x
x
63.3/1.5
98.4/1.5
(1*9)/5
4*x-4*x^2+15 >= 0;x
x
| a*a+504*504=520*520 | | 1n-18=-4 | | 14x+45=24x-55 | | 2y+4y=10y | | 3n+54n=56 | | 5x+2+4x+7=180 | | 2(40)+2(40+5)=250 | | 2(60)+2(60+5)=250 | | -13x+15y=3 | | -4v-6=-2(v+8) | | 2x+2(x+5)=250 | | 5x^6-9= | | 3x+17+103=180 | | 3log(x+4)=2.19 | | x-400,000/x=.2 | | 5y^2-28y+20=0 | | (9x-22)+61+34+(5x-7)=360 | | -7(6)+y=2 | | 9+16y-19=52 | | 6p+2=92 | | -7(4)+y=2 | | Y=2.6x-16 | | -7(-2)+y=2 | | Y=2.6-16 | | (x-5)(x+9b)(x-9b)= | | 2/9x7 | | 2x+y(x-1)=5 | | (x-5)(x+9i)(x-9i)= | | 6j-18/4=9 | | 176=8(8-2n) | | 2(sinx+30)=sin(x+30) | | 40x+30=55x |