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Tohaina

\left(2x^{2}+8x\right)\left(x+8\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2x ki te x+4.
2x^{3}+16x^{2}+8x^{2}+64x
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 2x^{2}+8x ki ia tau o x+8.
2x^{3}+24x^{2}+64x
Pahekotia te 16x^{2} me 8x^{2}, ka 24x^{2}.
\left(2x^{2}+8x\right)\left(x+8\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2x ki te x+4.
2x^{3}+16x^{2}+8x^{2}+64x
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 2x^{2}+8x ki ia tau o x+8.
2x^{3}+24x^{2}+64x
Pahekotia te 16x^{2} me 8x^{2}, ka 24x^{2}.