Enrhifo
\left(x-3\right)^{2}-2
Ehangu
x^{2}-6x+7
Graff
Rhannu
Copïo i clipfwrdd
x^{2}-6x+9-2
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-3\right)^{2}.
x^{2}-6x+7
Tynnu 2 o 9 i gael 7.
x^{2}-6x+9-2
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-3\right)^{2}.
x^{2}-6x+7
Tynnu 2 o 9 i gael 7.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
Rhifyddeg
699 * 533
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