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Tohaina

\left(x^{2}-2x+x-2\right)\left(x-1\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o x+1 ki ia tau o x-2.
\left(x^{2}-x-2\right)\left(x-1\right)
Pahekotia te -2x me x, ka -x.
x^{3}-x^{2}-x^{2}+x-2x+2
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o x^{2}-x-2 ki ia tau o x-1.
x^{3}-2x^{2}+x-2x+2
Pahekotia te -x^{2} me -x^{2}, ka -2x^{2}.
x^{3}-2x^{2}-x+2
Pahekotia te x me -2x, ka -x.
\left(x^{2}-2x+x-2\right)\left(x-1\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o x+1 ki ia tau o x-2.
\left(x^{2}-x-2\right)\left(x-1\right)
Pahekotia te -2x me x, ka -x.
x^{3}-x^{2}-x^{2}+x-2x+2
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o x^{2}-x-2 ki ia tau o x-1.
x^{3}-2x^{2}+x-2x+2
Pahekotia te -x^{2} me -x^{2}, ka -2x^{2}.
x^{3}-2x^{2}-x+2
Pahekotia te x me -2x, ka -x.