What is (1-3k)-4(2+2.5k) ?

The solution to (1-3k)-4(2+2.5k) is -13k-7

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (1-3k)-4(2+2.5k)

simplify

(1 - 3 k) - 4 (2 + 2.5 k)

- 13 k - 7

Solution steps

(1 - 3 k) - 4 (2 + 2.5 k)

Apply rule:

(a) = a

(1 - 3 k) = 1 - 3 k

= 1 - 3 k - 4 (2 + 2.5 k)

Expand

- 4 (2 + 2.5 k) : - 8 - 10 k

= 1 - 3 k - 8 - 10 k

Group like terms

= - 3 k - 10 k + 1 - 8

Add similar elements:

- 3 k - 10 k = - 13 k

= - 13 k + 1 - 8

Subtract the numbers:

1 - 8 = - 7

= - 13 k - 7

- 71 a^{3} b - 84 a^{4} b^{2} + 50 a^{3} b + 84 a^{4} b^{2} - 45 a^{3} b + 18 a^{3} b

x^{2} - 13 x - 68 = 0

\frac{- 10 \cdot - 2}{5}

2 x^{2} + 5 x - 1 < 0

59 - 7 q - 3 q^{2} = \frac{1}{3} q^{2} + 8