1) х(2a-5b)+y(2a-5b)=(2a-5b)*(x+y)
2) 5x(b-c)-(c-b)=5x*(b-c)-(-(b-c))=5x*(b-c)+(b-c)=(b-c)*(5x+1)
3) (x-5)(2y+4)-(x-5)(4y+1)=(x-5)*(2y+4-(4y+1))
(x-5)*(2y+4-4y-1)=(x-5)*(-2y+3)
1) y^2-5y=0=y*(y-5)=0
у=0
у-5=0;у=5
у1=0; у2=5
2) х^2+4х=0=х*(х+4)=0
х=0
х+4=0;х=-4
х1=-4; х2=0
1) 8^6+2^15=294912
294912:9=32768
2) 14^4-7^4=36015
36015:5=7203
1) х(2a-5b)+y(2a-5b)=(2a-5b)*(x+y)
2) 5x(b-c)-(c-b)=5x*(b-c)-(-(b-c))=5x*(b-c)+(b-c)=(b-c)*(5x+1)
3) (x-5)(2y+4)-(x-5)(4y+1)=(x-5)*(2y+4-(4y+1))
(x-5)*(2y+4-4y-1)=(x-5)*(-2y+3)
1) y^2-5y=0=y*(y-5)=0
у=0
у-5=0;у=5
у1=0; у2=5
2) х^2+4х=0=х*(х+4)=0
х=0
х+4=0;х=-4
х1=-4; х2=0
1) 8^6+2^15=294912
294912:9=32768
2) 14^4-7^4=36015
36015:5=7203