aayanliyakath0102 aayanliyakath0102

10-03-2022
Mathematics

contestada

y^2-4xy-7y+28x please send the answer asap

Respuesta :

madicuf0301 madicuf0301

10-03-2022

Answer:

= (y - 4x) (y - 7)

Step-by-step explanation:

y^2-4xy-7y+28x

--

factor out y from y^2 - 4x : y(y - 4x)

factor out 7 from 28x - 7y : 7(4x - y)

= y (y - 4x) + 7(4x - y)

7 (4x - y) + 7(y - 4x)

= y (y - 4x) - 7(y - 4x)

= (y - 4x) (y - 7)

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