Question

$< 4x2 - 7y + 8x > - \leqslant x2 - < x2 + y > - 2y + 8x \geqslant$
simplified this question​

Answer 1

Answer:

4x

2

+8xy−2y

2

and 8xy−5y

2

+x

2

it can be written as

4x

2

+8xy−2y

2

+8xy−5y

2

+x

2

By further calculation

= 4x

2

+x

2

+8xy−2y

2

−5y

2

So we get

5x

2

+16xy−7y

2