Question

1) Add: 5x2 + 7y - 8, 4y + 7 - 2x2
and 6 - 5y + 4x2.(a) (b) 7x2 +
6y3 + 5 (c) (d) 7x2 + 6y + 5*​

Answer 1

Answer:

Subtract 5x

2

−4y

2

+6y−3 from 7x

2

−4xy+8y

2

+5x−3y

⇒7x

2

−4xy+8y

2

+5x−3y−5x

2

+4y

2

−6y+3

⇒2x

2

−4xy+12y

2

+5x−9y+3

Hence, this is the answer.