Simplify (2y^2-9y-6)-(3y^2+4y-5)+(-8y^2+3y-9)

Math
(2y2-9y-6)-(3y2+4y-5)+(-8y2+3y-9)
Remove parentheses.
(2y2-9y-6)-(3y2+4y-5)-8y2+3y-9
Simplify each term.
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Apply the distributive property.
2y2-9y-6-(3y2)-(4y)–5-8y2+3y-9
Simplify.
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Multiply 3 by -1.
2y2-9y-6-3y2-(4y)–5-8y2+3y-9
Multiply 4 by -1.
2y2-9y-6-3y2-4y–5-8y2+3y-9
Multiply -1 by -5.
2y2-9y-6-3y2-4y+5-8y2+3y-9
2y2-9y-6-3y2-4y+5-8y2+3y-9
2y2-9y-6-3y2-4y+5-8y2+3y-9
Simplify by adding terms.
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Subtract 3y2 from 2y2.
-y2-9y-6-4y+5-8y2+3y-9
Subtract 8y2 from -y2.
-9y2-9y-6-4y+5+3y-9
Subtract 4y from -9y.
-9y2-13y-6+5+3y-9
Add -13y and 3y.
-9y2-10y-6+5-9
Simplify by adding and subtracting.
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Add -6 and 5.
-9y2-10y-1-9
Subtract 9 from -1.
-9y2-10y-10
-9y2-10y-10
-9y2-10y-10
Simplify (2y^2-9y-6)-(3y^2+4y-5)+(-8y^2+3y-9)

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