What is simplify-9(1-10n)-2(3n+9) ?

The solution to simplify-9(1-10n)-2(3n+9) is 84n-27

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simplify-9(1-10n)-2(3n+9)

simplify

- 9 (1 - 10 n) - 2 (3 n + 9)

84 n - 27

Solution steps

- 9 (1 - 10 n) - 2 (3 n + 9)

Expand

- 9 (1 - 10 n) : - 9 + 90 n

= - 9 + 90 n - 2 (3 n + 9)

Expand

- 2 (3 n + 9) : - 6 n - 18

= - 9 + 90 n - 6 n - 18

Group like terms

= 90 n - 6 n - 9 - 18

Add similar elements:

90 n - 6 n = 84 n

= 84 n - 9 - 18

Subtract the numbers:

- 9 - 18 = - 27

= 84 n - 27

(x^{2} + 2 x - 3) (3 x^{2} - 2 x + 4)

(0)^{3}

\frac{60}{9}

(- 2 sin (2 t))^{2}

\frac{30 x ^{3} y}{20 x ^{5} y ^{2}}

What is simplify-9(1-10n)-2(3n+9) ?
The solution to simplify-9(1-10n)-2(3n+9) is 84n-27