(9a4+1-11a)-(a+8a2+2)-(6a2-9)
Apply the distributive property.
9a4+1-11a-a-(8a2)-1⋅2-(6a2-9)
Simplify.
Multiply 8 by -1.
9a4+1-11a-a-8a2-1⋅2-(6a2-9)
Multiply -1 by 2.
9a4+1-11a-a-8a2-2-(6a2-9)
9a4+1-11a-a-8a2-2-(6a2-9)
Apply the distributive property.
9a4+1-11a-a-8a2-2-(6a2)–9
Multiply 6 by -1.
9a4+1-11a-a-8a2-2-6a2–9
Multiply -1 by -9.
9a4+1-11a-a-8a2-2-6a2+9
9a4+1-11a-a-8a2-2-6a2+9
Subtract 2 from 1.
9a4-11a-a-8a2-1-6a2+9
Subtract a from -11a.
9a4-12a-8a2-1-6a2+9
Subtract 6a2 from -8a2.
9a4-12a-14a2-1+9
Simplify the expression.
Add -1 and 9.
9a4-12a-14a2+8
Move -12a.
9a4-14a2-12a+8
9a4-14a2-12a+8
9a4-14a2-12a+8
Simplify (9a^4+1-11a)-(a+8a^2+2)-(6a^2-9)