Question

Simply the given polynomial (5x2+2y+7)+(2x2+3y-1)

Answer 1

`(5x^2+2y+7)+(2x^2+3y-1)`

remove the parenthesis

`5x^2+2y+7+2x^2+3y-1`

group the posible operations

`(5+2)x^2+(2+3)y+(7-1)`

and solve

`7x^2+5y+6`