Enrhifo
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Ehangu
9x^{2}-\frac{42x}{5}+\frac{49}{25}
Graff
Rhannu
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9x^{2}-\frac{42}{5}x+\frac{49}{25}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(-3x+\frac{7}{5}\right)^{2}.
9x^{2}-\frac{42}{5}x+\frac{49}{25}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(-3x+\frac{7}{5}\right)^{2}.
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