Question

subtract 5X2 -7xy+5y2 from 2X2-2y2​

Answer 1

Answer:

If we subtract 5x

2

−9xy−3y

2

from 3x

2

−5xy−2y

2

then we get,

(3x

2

−5xy−2y

2

)−(5x

2

−9xy−3y

2

)

=−2x

2

+4xy+y 2.