Enrhifo
m\left(m-2n\right)
Ehangu
m^{2}-2mn
Rhannu
Copïo i clipfwrdd
m^{2}-2mn+n^{2}-n^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(m-n\right)^{2}.
m^{2}-2mn
Cyfuno n^{2} a -n^{2} i gael 0.
m^{2}-2mn+n^{2}-n^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(m-n\right)^{2}.
m^{2}-2mn
Cyfuno n^{2} a -n^{2} i gael 0.
Enghreifftiau
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y = 3x + 4
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