Enrhifo
3x^{2}+\frac{7x}{3}-\frac{5}{36}
Ehangu
3x^{2}+\frac{7x}{3}-\frac{5}{36}
Graff
Rhannu
Copïo i clipfwrdd
4x^{2}+\frac{4}{3}x+\frac{1}{9}-\left(x-\frac{1}{2}\right)^{2}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(2x+\frac{1}{3}\right)^{2}.
4x^{2}+\frac{4}{3}x+\frac{1}{9}-\left(x^{2}-x+\frac{1}{4}\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-\frac{1}{2}\right)^{2}.
4x^{2}+\frac{4}{3}x+\frac{1}{9}-x^{2}+x-\frac{1}{4}
I ddod o hyd i wrthwyneb x^{2}-x+\frac{1}{4}, dewch o hyd i wrthwyneb pob term.
3x^{2}+\frac{4}{3}x+\frac{1}{9}+x-\frac{1}{4}
Cyfuno 4x^{2} a -x^{2} i gael 3x^{2}.
3x^{2}+\frac{7}{3}x+\frac{1}{9}-\frac{1}{4}
Cyfuno \frac{4}{3}x a x i gael \frac{7}{3}x.
3x^{2}+\frac{7}{3}x-\frac{5}{36}
Tynnu \frac{1}{4} o \frac{1}{9} i gael -\frac{5}{36}.
4x^{2}+\frac{4}{3}x+\frac{1}{9}-\left(x-\frac{1}{2}\right)^{2}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(2x+\frac{1}{3}\right)^{2}.
4x^{2}+\frac{4}{3}x+\frac{1}{9}-\left(x^{2}-x+\frac{1}{4}\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-\frac{1}{2}\right)^{2}.
4x^{2}+\frac{4}{3}x+\frac{1}{9}-x^{2}+x-\frac{1}{4}
I ddod o hyd i wrthwyneb x^{2}-x+\frac{1}{4}, dewch o hyd i wrthwyneb pob term.
3x^{2}+\frac{4}{3}x+\frac{1}{9}+x-\frac{1}{4}
Cyfuno 4x^{2} a -x^{2} i gael 3x^{2}.
3x^{2}+\frac{7}{3}x+\frac{1}{9}-\frac{1}{4}
Cyfuno \frac{4}{3}x a x i gael \frac{7}{3}x.
3x^{2}+\frac{7}{3}x-\frac{5}{36}
Tynnu \frac{1}{4} o \frac{1}{9} i gael -\frac{5}{36}.
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