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x in (-oo:+oo)
c = a+(1/2)*b // - a+(1/2)*b
c-a-((1/2)*b) = 0
(-1/2)*b-a+c = 0
c-a-1/2*b = 0
x naleu017Cy do R
x in (-oo:+oo)
| 1/8k-6/5=4+1/7k | | .8x^2-24x+250=82.80 | | (y-5)(y-5)=2y^2-4y+18 | | 7x2y5/21x5y3 | | (m-2a)(2m-a)= | | (4m-a)(4m+a)= | | (x-3m)(x-3m)= | | (2x-y)(2x-y)= | | 25z^2-9= | | (x-10)(x-10)= | | 5x^2+9x+j=0 | | 24w^2x^2y^4+18w^6x^7= | | (3x+10y^2)(3x-10y^2)= | | (100-XY)(100+XY)= | | (10-x)(10+x)= | | 1/3(7n+33)=8-4n | | log(7)(2)+log(7)(5)=log(7)(10) | | log(8)(7)-log(8)(11)=log(8)(7/11) | | log(7)25=5log(7)(5) | | log(8)(7)-log(8)(11)=log(8)77 | | 24=(30w+20w)/(2w+1) | | 24=(30w+20w)/w+(w+1) | | log(8)(7)-log(8)(11)= | | 24=50w/(2w+1) | | -5+25x-40x-10=4x-8x | | (v-3)(v-3)=2v^2-7v+7 | | (y-1)(y-1)=2y^2-5y-9 | | (w-1)(w-1)=2w^2-10w+8 | | x^2-7x+2=-10 | | 1x+3x(5x)=15 | | (3-2x)(2+5x)= | | 4x^2-3=-x |