1-x²-2xc-c²=1-(x²+2x+c²)=1²-(x+c)²=(1-x-c)(1+x+c).
Ответ: №5.
√8=√(4*2)=2√2
√45=√(9*5)=3√5
√250=√(25*10)=5√10
√192=√(64*3)=8√3
4√5=√(4² *5)=√16*5=√80
3√7=√(9*7)=√63
0,2√10=√(0,2²*10)=√0,04*10=√0,4
Х^2=у
у^2+4у-45=0
у1= 1; y2= -45
x1= 1; x2= -45
Вот все решение
Решение сфотографировано. Ответ: целых решений одно
(1/3*1/2m+1/3*(-3)-m*1/2m-m*(-3)
(1/3*1/2m+1*(-1)-m*1/2m-m*(-3)
(m/2*3+1*(-1)-m*1/2m-m*(-3)
1/6m+1*(-a)-m=1/2m-m*(-3)
(1/6m-1-m*1/2m-m*(-3)
(1/6m-1-1/2m^2-m*(-3)
(1/6m-1-1/2m^2+3m)
(-1/2m^2+1/6m+3m-1)
(-1/2m^2+1/6m+3m*6/6-1)
(-1/2m^2+1/6m+18m/6-1)
(-1/2m^2+1/6(m+18m)-1)
(-1/2m^2+19m/6-1)
-1/2m^2+19m/6-1 ответ!
