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Simplify (-5xsquared-3x-7)+(-2x to the 3rd +6x squared-8)

Simplify (-5xsquared-3x-7)+(-2x to the 3rd +6x squared-8)
asked 102k views
5 votes
Simplify (-5xsquared-3x-7)+(-2x to the 3rd +6x squared-8)

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User Saadi
by
7.7k points

1 Answer

3 votes

Answer:


\large\boxed{(-5x^2-3x-7)+(-2x^3+6x-8)=-2x^3-5x^2+3x-15}

Explanation:


(-5x^2-3x-7)+(-2x^3+6x-8)\\\\=-5x^2-3x-7-2x^3+6x-8\qquad\text{combine like terms}\\\\=-2x^3-5x^2+(-3x+6x)+(-7-8)\\\\=-2x^3-5x^2+3x-15

answered
User Tim Taurit
by
7.9k points
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