Aromātai
280+24x-4x^{2}
Whakaroha
280+24x-4x^{2}
Graph
Tohaina
Kua tāruatia ki te papatopenga
120+12x-20x-2x^{2}+\left(40-2x\right)\left(4+x\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 6-x ki ia tau o 20+2x.
120-8x-2x^{2}+\left(40-2x\right)\left(4+x\right)
Pahekotia te 12x me -20x, ka -8x.
120-8x-2x^{2}+160+40x-8x-2x^{2}
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 40-2x ki ia tau o 4+x.
120-8x-2x^{2}+160+32x-2x^{2}
Pahekotia te 40x me -8x, ka 32x.
280-8x-2x^{2}+32x-2x^{2}
Tāpirihia te 120 ki te 160, ka 280.
280+24x-2x^{2}-2x^{2}
Pahekotia te -8x me 32x, ka 24x.
280+24x-4x^{2}
Pahekotia te -2x^{2} me -2x^{2}, ka -4x^{2}.
120+12x-20x-2x^{2}+\left(40-2x\right)\left(4+x\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 6-x ki ia tau o 20+2x.
120-8x-2x^{2}+\left(40-2x\right)\left(4+x\right)
Pahekotia te 12x me -20x, ka -8x.
120-8x-2x^{2}+160+40x-8x-2x^{2}
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 40-2x ki ia tau o 4+x.
120-8x-2x^{2}+160+32x-2x^{2}
Pahekotia te 40x me -8x, ka 32x.
280-8x-2x^{2}+32x-2x^{2}
Tāpirihia te 120 ki te 160, ka 280.
280+24x-2x^{2}-2x^{2}
Pahekotia te -8x me 32x, ka 24x.
280+24x-4x^{2}
Pahekotia te -2x^{2} me -2x^{2}, ka -4x^{2}.
Ngā Tauira
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