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23.6;8.1
(9-(4*x^2))^-1
sin(4*t^3)
(2*x-5)/(x^2-16) < x/(x+4)
(2*x^5)/(x^7) = 0
| lnx^4-lnx^2=2 | | 2+10y+10-9y-7= | | a(n)=10+2(n-1) | | y^2+14y-24=0 | | 7f+10-10-3f= | | 3(n+2)+2n=21 | | 8+-7(2c+-2)= | | -108=-8k-5(k+6) | | 5x+55+x=180 | | -10(5x+3)=570 | | x-4(x)=96 | | 3t=42 | | -5.1r=10.71 | | m^2-14m+51=3 | | -6+5-4q+5-8q= | | 43+5m=-73 | | 7+4(6d+9)+4d= | | (3b-.5)xb=56.5 | | 3x-6+(-1)= | | x+7+22+34=180 | | 4c+2+5+6+6= | | (3x-.5)x=56.5 | | f(x+8)=x^2+16x+64-3x-24+4 | | -9c+-5(9+-5c)= | | a^2+18a+39=-6 | | 6(1+5n)=-174 | | 26x+2x=2x | | 2x+4=590 | | -3(x+8)+28=7-4x | | (6x+13y-10z)+(14x-11y+12z)= | | 17x+1=-2+17x | | 9a-10+-3a+-7a= |