What is expand-3aleft(-2a-4) ?

The solution to expand-3aleft(-2a-4) is 6ela^2ft+12elaft

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expand-3aleft(-2a-4)

expand

- 3 a l e f t (- 2 a - 4)

6 e l a^{2} f t + 12 e l a f t

Solution steps

- 3 a l e f t (- 2 a - 4)

= - 3 e l a f t (- 2 a - 4)

Apply the distributive law:

a (b - c) = ab - a c

a = - 3 a l e f t, b = - 2 a, c = 4

= - 3 a l e f t (- 2 a) - (- 3 a l e f t) \cdot 4

Apply minus-plus rules

- (- a) = a

= 3 \cdot 2 e l aa f t + 3 \cdot 4 e l a f t

Simplify

3 \cdot 2 e l aa f t + 3 \cdot 4 e l a f t : 6 e l a^{2} f t + 12 e l a f t

= 6 e l a^{2} f t + 12 e l a f t

(2 + 3)^{2}

e^{- n + 1} (1 + \frac{1}{n + 1})

- cos (x) sec (x) tan (x) + 2 sec (x) sin (x)

a (2 - 4) b (- 3.2)

\frac{4}{5} \times \frac{7}{9} \times \frac{1}{2}

What is expand-3aleft(-2a-4) ?
The solution to expand-3aleft(-2a-4) is 6ela^2ft+12elaft