Ehangu
p^{2}-4p-q^{2}+4
Enrhifo
\left(p-2\right)^{2}-q^{2}
Rhannu
Copïo i clipfwrdd
p^{2}-4p+4-q^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(p-2\right)^{2}.
p^{2}-4p+4-q^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(p-2\right)^{2}.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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