Datrys ar gyfer C
C=4\left(x-3\right)\left(x+4\right)
Datrys ar gyfer x (complex solution)
x=\frac{-\sqrt{C+49}-1}{2}
x=\frac{\sqrt{C+49}-1}{2}
Datrys ar gyfer x
x=\frac{-\sqrt{C+49}-1}{2}
x=\frac{\sqrt{C+49}-1}{2}\text{, }C\geq -49
Graff
Rhannu
Copïo i clipfwrdd
C=4x^{2}+4x+1-49
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(2x+1\right)^{2}.
C=4x^{2}+4x-48
Tynnu 49 o 1 i gael -48.
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