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Find the indicated sum.(5x3 + 2x – 10) + (5x2 - 4x + 6) + (2x3 – 3x² + 2)

Find the indicated sum.(5x3 + 2x – 10) + (5x2 - 4x + 6) + (2x3 – 3x² + 2)
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Find the indicated sum.(5x3 + 2x – 10) + (5x2 - 4x + 6) + (2x3 – 3x² + 2)

asked
User Riri
by
8.3k points

1 Answer

3 votes

we have the expression


\mleft(5x^3+2x-10\mright)+5x^2-4x+6+2x^3-3x^2+2

Group similar terms


(5x^3+2x^3)+(5x^2-3x^2)+(2x-4x)+(10+6^{}+2)

Combine like terms


\begin{gathered} \mleft(8x^3\mright)+\mleft(2x^2\mright)+\mleft(-2x\mright)+\mleft(18\mright) \\ 8x^3+2x^2-2x+18 \end{gathered}

answered
User Russian
by
8.7k points
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