ken8138 ken8138

12-08-2021
Mathematics

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Simplify: (3x2 − 5xy + 2y2) − (7x2 − 3xy − 3y2) (5 points)

−4x2 + 8xy − y2
−4x2 − 8xy + y2
−4x2 + 2xy − 5y2
−4x2 − 2xy + 5y2

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zukhanyelengisi6 zukhanyelengisi6

12-08-2021

Answer:

-4×2-2xy+5y2

Step-by-step explanation:

(6-5xy+2y2)-(14-3xy-3y2)

=6-5xy+2y2-14+3xy+3y2

=(6-14)+(-5xy+3xy)+(2y2+3y2)

=-4×2-2xy+5y2

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