Factorization
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2x+4y-8xy-1=0
2x-8xy+4y-1 =0
taking(-) common
8xy-2x-4y+1=0
2x(4y-1)-1(4y-1)=0
(2x-1)(4y-1)=0
x= 1/2,y=1/4
16) 8-4a-2a^3+a^4=0
(taking minus common)
4a-8-a^4+2a^3=0
4(a-2)-a^3(a-2)=0
(4-a^3)(a-2)=0
a=cuberoot-4,2
hope it helps you.
2x-8xy+4y-1 =0
taking(-) common
8xy-2x-4y+1=0
2x(4y-1)-1(4y-1)=0
(2x-1)(4y-1)=0
x= 1/2,y=1/4
16) 8-4a-2a^3+a^4=0
(taking minus common)
4a-8-a^4+2a^3=0
4(a-2)-a^3(a-2)=0
(4-a^3)(a-2)=0
a=cuberoot-4,2
hope it helps you.
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