(2) Answers

(x+1)(2x^2+3x-1) x(2x^2)+x(3x)+x(-1)+1(2x^2)+1(3x)+1(-1) 2x^3+3x^2-1x+2x^2+3x-1 2x^3+5x^2+2x-1

[latex](x+1)\cdot (2x^2+3x-1)=2x^3+3x^2-x+2x^2+3x-1=\\ \\=2x^3+5x^2+2x-1[/latex]

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(2) Answers

(x+1)(2x^2+3x-1) x(2x^2)+x(3x)+x(-1)+1(2x^2)+1(3x)+1(-1) 2x^3+3x^2-1x+2x^2+3x-1 2x^3+5x^2+2x-1

[latex](x+1)\cdot (2x^2+3x-1)=2x^3+3x^2-x+2x^2+3x-1=\\ \\=2x^3+5x^2+2x-1[/latex]

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