javeria123
javeria123
10-05-2017
Mathematics
contestada
what is 3x+5x+2 factorised for yr 10 gcse
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Аноним
Аноним
10-05-2017
Factorising quadratic expressions
Multiply these brackets to remind yourself how to factorise.
( x + 2 ) ( x + 5 ) = x2 + 7x + 10
( x + 2 ) ( x + 3 ) = x2 + 5x + 6
( x - 3 ) ( x - 5 ) = x 2 - 8x + 15
( x + 6 ) ( x - 5 ) = x2 + x - 30
( x - 6 ) ( x + 5 ) = x2 - x - 30
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