factorise the following
a. ax-b+ab-x
b. x=6y-6-xy
c. 3y+y+3+y
need help "
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In second part, I suppose'-' will come instead of "="
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leesoulbee:
what about the others?
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a . ax-b+ab-x
(ax-x) (-b+ab)
x(a-1) +b(a-1)
(x+b) (a-1)
(ax-x) (-b+ab)
x(a-1) +b(a-1)
(x+b) (a-1)
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