Datrys ar gyfer B
B=\left(4x-1\right)\left(4x+7\right)
Datrys ar gyfer x (complex solution)
x=\frac{-\sqrt{B+16}-3}{4}
x=\frac{\sqrt{B+16}-3}{4}
Datrys ar gyfer x
x=\frac{-\sqrt{B+16}-3}{4}
x=\frac{\sqrt{B+16}-3}{4}\text{, }B\geq -16
Graff
Rhannu
Copïo i clipfwrdd
B=16x^{2}+24x+9-16
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(4x+3\right)^{2}.
B=16x^{2}+24x-7
Tynnu 16 o 9 i gael -7.
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