Enrhifo
-\left(x-4\right)^{2}+5
Ehangu
-x^{2}+8x-11
Graff
Rhannu
Copïo i clipfwrdd
5-\left(x^{2}-8x+16\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-4\right)^{2}.
5-x^{2}+8x-16
I ddod o hyd i wrthwyneb x^{2}-8x+16, dewch o hyd i wrthwyneb pob term.
-11-x^{2}+8x
Tynnu 16 o 5 i gael -11.
5-\left(x^{2}-8x+16\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-4\right)^{2}.
5-x^{2}+8x-16
I ddod o hyd i wrthwyneb x^{2}-8x+16, dewch o hyd i wrthwyneb pob term.
-11-x^{2}+8x
Tynnu 16 o 5 i gael -11.
Enghreifftiau
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