Question

add 5x square -3xy +4y square -9 and -2x square + 5xy + 7y square +13​

Answer 1

Answer:

add x2 terms xy terms &ys2 terms

5x2+(-2x2)=3x2

5xy-3xy=2xy

4y2+7y2=11y2

13+(-9)=4

So ans iz 3xsquare, 2xy,11ysquare, 4