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受欢迎的代数 >

-2y^2=1-3y^2

解答

- 2 y^{2} = 1 - 3 y^{2}

解答

y = 1, y = - 1

求解步骤

- 2 y^{2} = 1 - 3 y^{2}

将

3 y^{2}

para o lado esquerdo

y^{2} = 1

对于

x^{2} = f (a)

解为

x = f (a), - f (a)

y = 1, y = - 1

1 = 1

- 1 = - 1

y = 1, y = - 1

作图

流行的例子

1/2*2*5^2+2*9.8*20= 1/2*x^2

\frac{1}{2} \cdot 2 \cdot 5^{2} + 2 \cdot 9.8 \cdot 20 = \frac{1}{2} \cdot x^{2}

3 x = x^{2} + 5

(x-5)(x+4)=3x+57

(x - 5) (x + 4) = 3 x + 57

1 = y^{2}

x^{2} - 2 x - 44 = 0