Х*(х-у)-3(х-у)
1/2 * (1/2 - 1/4)-3*(1/2 -1/4) =1/2 *1/4 - 3*1/4 =1/8 - 3/4 =(1-6)/8 = - 5/8
X³-4x²-x+4=x²(x-4)-(x-4)=(x-4)(x²-1)
B5 = b1*q^4 ==>
b1*(1/2)^4 = 1/64
b1* 1/16 = 1/64 /*16
b1 = 1/4
b1 = 0,25
<span>5(m-2)-3(3+m)=m+1
5m-10-3(m+3)=m+1
(5m-3m)+(-10-9)=m+1
2m+(-10-9)=m+1
2m+(-19)=m-m+1
m-19=1
m+(19-19)=19+1
m=19+1
Ответ:m=20</span>