Simplify the polynomial by combining like terms.
-$$- 9 x y + 8 y ^ { 2 } - 2 x y + 8 x ^ { 2 }$$
A) $- 11 x y + 64 x ^ { 2 } y ^ { 2 }$
B) $18 x y + 64 x ^ { 2 } y ^ { 2 }$
C) $8 x ^ { 2 } - 11 x y + 8 y ^ { 2 }$
D) $5 x ^ { 2 } + 5 x y + 5 y ^ { 2 }$

Question

Quizplus · Accepted Answer

Combining like terms, $-9xy$ and $-2xy$ give $-11xy$, leaving the terms $8y^2$ and $8x^2$ unchanged, resulting in $8x^2 - 11xy + 8y^2$.

Simplify the Polynomial by Combining Like Terms −9xy+8y2−2xy+8x2- 9 x y + 8 y ^ { 2 } - 2 x y + 8 x ^ { 2 }−9xy+8y2−2xy+8x2

Simplify the Polynomial by Combining Like Terms $- 9 x y + 8 y ^ { 2 } - 2 x y + 8 x ^ { 2 }$