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tan(2*x)-1
(x-1)^2
36/9
(sin(x/4))^2
tan(2*x)-1
| -(-x+1)-7=2-(5-2x) | | 4x-15+5x+6+90=180 | | -(8a+6)=7(-a-3)+2a | | 5y^2+35y-30=0 | | f(x)=x^2+11x+-18 | | -7(-n+1)=12+7n | | 9+3.5g=11-.5 | | 5(x-3)+1=3x-2 | | 1x+10=10 | | 7-7(2n-8)=7(2n-3) | | -6v-1=-6(v-6) | | -7(v+6)=-84 | | 78.5=(3.14)r^2 | | 4(x+6)=4r | | (2x+3)(3x-2)=6x*2+nx-6 | | -8(-5+n)=96 | | 96=2(7n-8) | | 1/2x2/15 | | 25n-10n=0 | | 9(x-14)=-18 | | 84=-4(6k+3) | | 42x^2-476x-2460=0 | | -4=-2y-5x | | 3m+5n+2m-n= | | 10/m=2.5/3 | | 12=4y-6x | | X^2=16+(x+4)+(x-4) | | -x-15=-5y | | x*16=72 | | 4/9x3/10 | | 2(x+3)+8=3(x-1)+15 | | X^2=16+(x+4)(x-4) |