Question
Perform indicated operations and simplify.$\left(5 y^{4}-7 y^{2}+x^{2}-3\right)+\left(-3 y^{4}+2 y^{2}+4\right)$
Step 1
We have $5y^{4}$ and $-3y^{4}$ which add up to $2y^{4}$. We also have $-7y^{2}$ and $2y^{2}$ which add up to $-5y^{2}$. Lastly, we have $-3$ and $4$ which add up to $1$. So, the expression becomes $2y^{4}-5y^{2}+x^{2}+1$. Show more…
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