Enrhifo
-28x^{2}+142x-\frac{391}{4}
Ehangu
-28x^{2}+142x-\frac{391}{4}
Graff
Rhannu
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\left(6x-\frac{3}{2}\right)^{2}-\left(8\left(x-\frac{5}{4}\right)\right)^{2}
Defnyddio’r briodwedd ddosbarthu i luosi 6 â x-\frac{1}{4}.
36x^{2}-18x+\frac{9}{4}-\left(8\left(x-\frac{5}{4}\right)\right)^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(6x-\frac{3}{2}\right)^{2}.
36x^{2}-18x+\frac{9}{4}-\left(8x-10\right)^{2}
Defnyddio’r briodwedd ddosbarthu i luosi 8 â x-\frac{5}{4}.
36x^{2}-18x+\frac{9}{4}-\left(64x^{2}-160x+100\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(8x-10\right)^{2}.
36x^{2}-18x+\frac{9}{4}-64x^{2}+160x-100
I ddod o hyd i wrthwyneb 64x^{2}-160x+100, dewch o hyd i wrthwyneb pob term.
-28x^{2}-18x+\frac{9}{4}+160x-100
Cyfuno 36x^{2} a -64x^{2} i gael -28x^{2}.
-28x^{2}+142x+\frac{9}{4}-100
Cyfuno -18x a 160x i gael 142x.
-28x^{2}+142x-\frac{391}{4}
Tynnu 100 o \frac{9}{4} i gael -\frac{391}{4}.
\left(6x-\frac{3}{2}\right)^{2}-\left(8\left(x-\frac{5}{4}\right)\right)^{2}
Defnyddio’r briodwedd ddosbarthu i luosi 6 â x-\frac{1}{4}.
36x^{2}-18x+\frac{9}{4}-\left(8\left(x-\frac{5}{4}\right)\right)^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(6x-\frac{3}{2}\right)^{2}.
36x^{2}-18x+\frac{9}{4}-\left(8x-10\right)^{2}
Defnyddio’r briodwedd ddosbarthu i luosi 8 â x-\frac{5}{4}.
36x^{2}-18x+\frac{9}{4}-\left(64x^{2}-160x+100\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(8x-10\right)^{2}.
36x^{2}-18x+\frac{9}{4}-64x^{2}+160x-100
I ddod o hyd i wrthwyneb 64x^{2}-160x+100, dewch o hyd i wrthwyneb pob term.
-28x^{2}-18x+\frac{9}{4}+160x-100
Cyfuno 36x^{2} a -64x^{2} i gael -28x^{2}.
-28x^{2}+142x+\frac{9}{4}-100
Cyfuno -18x a 160x i gael 142x.
-28x^{2}+142x-\frac{391}{4}
Tynnu 100 o \frac{9}{4} i gael -\frac{391}{4}.
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