Question

Question 1
Subtract the sum of 3x2 + 2xy – 2y2 and 5y2– 7xy from 5x2 + 2y2 – 3xy.​

Answer 1

Step-by-step explanation:

Sum of 3x

2

+2xy−2y

2

and 5y

2

−7xy

=3x

2

+2xy−2y

2

+5y

2

−7xy

=3x

2

−5xy+3y

2

Now

5x

2

+2y

2

−3xy

3x

2

+3y

2

−5xy

− − +

--------------------------

2x

2

−y

2

+2xy

------------------------

=2x

2

+2xy−y

2