Question

adding polynomials
(6x^2-xy+y^2)+(-x^2-5xy+8y^2)
my answer-6x^4 5xy^2 8y^4
is this correct?

Answer 1

nope :(

Answer 2

what did I do wrong?

Answer 3

bec there is + sign so you can remove parenthesis
so combine like
which one is there are like terms ??

Answer 4

-6x^2 is not right

Answer 5

6x^4

Answer 6

oaky so u have to combine them not multiply
when you multiply THEN you have to add their exponents

Answer 7

both terms have x^2 so combine them
6x^2 -x^2 = ??