kguster kguster

08-01-2017
Mathematics

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Factor: 5x squared minus 22xy minus 15y squared

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MattDobson1 MattDobson1

09-01-2017

(5x + 3y)(x - 5y)

5x*x = 5x2
5x*-5y = -25xy
3y*x = 3xy
3y*-5y = -15y2

= 5x2 - 22xy - 15y2

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