化简 (-2.1)(4.7)

解答

化简

(- 2.1) (4.7)

- 9.87

求解步骤

(- 2.1) (4.7)

(- 2.1) (4.7) = - 2.1 \cdot 4.7

= - 2.1 \cdot 4.7

数字相乘:

- 2.1 \cdot 4.7 = - 9.87

= - 9.87

in v erse f (x) = lo g_{\frac{2}{5}} (x)

p a r a ll e l y = 7 x - 3

in t erce pt s f (x) = (2 x^{2} + 3) (x^{2} - 5)

in t erce pt s f (x) = 2 x^{2} + 8 x + 12

a sy m pt o t es f (x) = 9 x^{2} - 6 x - 3 x