Question

On simplifying (-3y2 − 8) − (-5y2 + 1)

Answer 1

we simply have the following
\[-3y^2 - 8 + 5y^2 - 1\] Combine alike terms (those who have the same degree)
so we have -3y^2 + 5y^2 = 2y^2
and -8 - 1 = - 9

So the final expression is
\[2y^2 - 9\]

hope that helps

Answer 2

thank you so much