What is expand 2left(a^2+3a-4) ?

The solution to expand 2left(a^2+3a-4) is 2elfta^2+6elfta-8elft

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expand 2left(a^2+3a-4)

expand

2 l e f t (a^{2} + 3 a - 4)

2 e l f t a^{2} + 6 e l f t a - 8 e l f t

Solution steps

2 l e f t (a^{2} + 3 a - 4)

= 2 e l f t (a^{2} + 3 a - 4)

Distribute parentheses

= 2 l e f t a^{2} + 2 l e f t \cdot 3 a + 2 l e f t (- 4)

Apply minus-plus rules

+ (- a) = - a

= 2 e l f t a^{2} + 2 \cdot 3 e l f t a - 2 \cdot 4 e l f t

Simplify

2 e l f t a^{2} + 2 \cdot 3 e l f t a - 2 \cdot 4 e l f t : 2 e l f t a^{2} + 6 e l f t a - 8 e l f t

= 2 e l f t a^{2} + 6 e l f t a - 8 e l f t

\frac{1}{s ^{n} ( s - 3 )}

- 27 x^{\frac{1}{3}} (2 x^{2} + 14 x + 42)

sin (\frac{π}{6})

(u^{\frac{3}{2}} + 3 u)^{2}

2 (2 + 22 + 6)

What is expand 2left(a^2+3a-4) ?
The solution to expand 2left(a^2+3a-4) is 2elfta^2+6elfta-8elft