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(x⁴ + 3x³ – 2x² + 5) + (2x⁴ – 5x³ + 4x – 15).
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(x⁴ + 3x³ – 2x² + 5) + (2x⁴ – 5x³ + 4x – 15).

User Romiem
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1 Answer

3 votes

Answer:


\left(x^4+3x^3-2x^2+5\right)+\left(2x^4-5x^3+4x-15\right)


=
x^4+3x^3-2x^2+5+2x^4-5x^3+4x-15


=x^4+2x^4+3x^3-5x^3-2x^2+4x+5-15


=x^4+2x^4-2x^3-2x^2+4x+5-15


=3x^4-2x^3-2x^2+4x+5-15


=3x^4-2x^3-2x^2+4x-10


OAmalOHopeO

User Iaretiga
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