Math, asked by POOJAc2007, 3 months ago

5x 2 + 3y 2 – 9xy with -2x 2 + 6y 2 + 4xy

Answers

Answered by mutashy

3

Answer:

12+9y-5xy

Step-by-step explanation:

(5×2+3y×2-9xy)+(-2×2+6y×2+4xy)

5×2×2+3y-9xy=20+3y-9xy

-2×2×2+6y+4xy=-8+6y+4xy

20+3y-9xy+(-8)+6y+4xy

20+(-8)=12

+3y+6y=9y

-9xy+4xy=-5xy

12+9y-5xy

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