Question

Fatore as expressões.
a) a(x-3)+b(x-3)
b) 3a-3b+ax-bx
c) 4ax-4a+bx-b

Answer 1

( a + b ), ( x - 3 )
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3a - 3b  / +  ax - bx =
3(a - b) + x(a - b) =
(3 + x ) . ( a - b)
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4ax - 4a / +  bx - b =
4a( x - 1) + jb( x - 1) =
( 4a + b) . ( x - 1)