Answer:
11x² - y
Step-by-step explanation:
Step 1: Write out expression
10x² - y + x²
Step 2: Combine like terms
That is simplest form.
[tex]\huge \boxed{11x^2-y}[/tex]
[tex]10x^2 -y + x^2[/tex]
Grouping like terms.
[tex](10x^2 + x^2)-y[/tex]
Combining like terms.
[tex](11x^2)-y[/tex]
