Question

(x³ - 7x + 3 - x²) : (x - 3)

 

Answer 1

\(=\left(x^3-3x^2+2x^2-6x-x+3\right):\left(x-3\right)\\ =\left(x-3\right)\left(x^2+2x-1\right):\left(x-3\right)\\ =x^2+2x-1\)

Answer 2

(x³ - 7x + 3 -x²) : (x-3)

= [(x² + 2x - 1 ).(x-3)] : (x-3)

= x² + 2x - 1

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