Aromātai
\left(x-2\right)\left(10x-7\right)
Whakaroha
10x^{2}-27x+14
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x^{2}-28x+49-\left(2x+5\right)\left(-3x+7\right)
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(-2x+7\right)^{2}.
4x^{2}-28x+49-\left(-6x^{2}-x+35\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te 2x+5 ki te -3x+7 ka whakakotahi i ngā kupu rite.
4x^{2}-28x+49+6x^{2}+x-35
Hei kimi i te tauaro o -6x^{2}-x+35, kimihia te tauaro o ia taurangi.
10x^{2}-28x+49+x-35
Pahekotia te 4x^{2} me 6x^{2}, ka 10x^{2}.
10x^{2}-27x+49-35
Pahekotia te -28x me x, ka -27x.
10x^{2}-27x+14
Tangohia te 35 i te 49, ka 14.
4x^{2}-28x+49-\left(2x+5\right)\left(-3x+7\right)
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(-2x+7\right)^{2}.
4x^{2}-28x+49-\left(-6x^{2}-x+35\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te 2x+5 ki te -3x+7 ka whakakotahi i ngā kupu rite.
4x^{2}-28x+49+6x^{2}+x-35
Hei kimi i te tauaro o -6x^{2}-x+35, kimihia te tauaro o ia taurangi.
10x^{2}-28x+49+x-35
Pahekotia te 4x^{2} me 6x^{2}, ka 10x^{2}.
10x^{2}-27x+49-35
Pahekotia te -28x me x, ka -27x.
10x^{2}-27x+14
Tangohia te 35 i te 49, ka 14.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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Poukapa
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whārite Simultaneous
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Whakarerekētanga
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}