DevDillon
DevDillon
28-09-2016
Mathematics
contestada
Multiply.
(2x+y)(4x-5y)
Respuesta :
spenceb
spenceb
28-09-2016
Use FOIL method
8x2−10xy+4yx−5y2
8
x
2
+(−10xy+4xy)−5
y
2
Answer:8
x
2
−6xy−5
y
2
Answer Link
SharpestoftheBlades
SharpestoftheBlades
28-09-2016
Alright here's the breakdown:
take what are related (like 2x+4x) and add them up
do the same with y-(-5y)
and that should equal
your answer
6x+(-4y)
hope this helps!
Answer Link
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