Aromātai
2x^{2}+\sqrt{5}x-5
Kimi Pārōnaki e ai ki x
4x+\sqrt{5}
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x^{2}+2x\sqrt{5}-\sqrt{5}x-\left(\sqrt{5}\right)^{2}
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 2x-\sqrt{5} ki ia tau o x+\sqrt{5}.
2x^{2}+x\sqrt{5}-\left(\sqrt{5}\right)^{2}
Pahekotia te 2x\sqrt{5} me -\sqrt{5}x, ka x\sqrt{5}.
2x^{2}+x\sqrt{5}-5
Ko te pūrua o \sqrt{5} ko 5.
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