Dahji
Dahji
06-07-2015
Mathematics
contestada
Simplify the expression (2x − 9)(x + 6).
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Аноним
Аноним
06-07-2015
( 2x - 9 ) ( x + 6 )
( 2x ) ( x ) + ( 2x ) ( 6 ) + ( - 9 ) ( x ) + ( - 9 ) ( 6 )
2x² + 12x - 9x - 54
2x² + 3x - 54.
Answer Link
hunaifirst
hunaifirst
06-07-2015
(2x-9)•(x+6)
2x•x+2x•6-9•x-9•6
2x²+12x-9x-54
2x²+(12-9)•x -54
2x²+3x-54
Answer Link
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