haileystormwilson
haileystormwilson
04-04-2020
Mathematics
contestada
how to factor 15x-7x-2
Respuesta :
kristinemahler100
kristinemahler100
04-04-2020
Use the butterfly method: you need to find two numbers that add up to a times c = 15 times -2 = -30, and the same two numbers need to add up to -7.
These two numbers are -10 and 3.
(-10)(3) = 30 and -10 + 3 = -7
Factored form: ( x - 10 )( x + 3 )
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