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Simplify by Adding/Subtracting or Multiplying the Polynomials as indicated19.20.a.(3x4 + 2x - 5x?) + (6x - 3x + 7)a - 11x2 + 8x + 7b. - 8x² +11x + 73x4 – 8x² + 8x + 7(4x² – 5x +…

Simplify by Adding/Subtracting or Multiplying the Polynomials as indicated19.20.a.(3x4 + 2x - 5x?) + (6x - 3x + 7)a - 11x2 + 8x + 7b. - 8x² +11x + 73x4 – 8x² + 8x + 7(4x² – 5x +…
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Simplify by Adding/Subtracting or Multiplying the Polynomials as indicated19.20.a.(3x4 + 2x - 5x?) + (6x - 3x + 7)a - 11x2 + 8x + 7b. - 8x² +11x + 73x4 – 8x² + 8x + 7(4x² – 5x + 3) - (3x + 2x2 - 6)2x2 - 8x + 9b. -6x-3x2 – 3x + 9C.C.

Simplify by Adding/Subtracting or Multiplying the Polynomials as indicated19.20.a-example-1
User IsuruAb
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1 Answer

5 votes

Answer: 3x^4 - 8x^2 + 8x + 7

We are given the expression


\begin{gathered} (3x^4+2x-5x^2)+(6x-3x^2\text{ + 7)} \\ \text{Firstly, open the parentheses} \\ 3x^4+2x-5x^2+6x-3x^2\text{ + 7} \\ \text{Secondly, collect the like terms} \\ 3x^4-5x^2-3x^2\text{ + 2x + 6x + 7} \\ 3x^4-8x^2\text{ + 8x + 7} \end{gathered}

The answer is option

User Michael Gradek
by
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