What is simplify-4(10b-10c)+9c-10(-4c+3b) ?

The solution to simplify-4(10b-10c)+9c-10(-4c+3b) is -70b+89c

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simplify-4(10b-10c)+9c-10(-4c+3b)

simplify

- 4 (10 b - 10 c) + 9 c - 10 (- 4 c + 3 b)

- 70 b + 89 c

Solution steps

- 4 (10 b - 10 c) + 9 c - 10 (- 4 c + 3 b)

Expand

- 4 (10 b - 10 c) : - 40 b + 40 c

= - 40 b + 40 c + 9 c - 10 (- 4 c + 3 b)

Expand

- 10 (- 4 c + 3 b) : 40 c - 30 b

= - 40 b + 40 c + 9 c + 40 c - 30 b

Add similar elements:

40 c + 9 c + 40 c = 89 c

= - 40 b + 89 c - 30 b

Group like terms

= - 40 b - 30 b + 89 c

Add similar elements:

- 40 b - 30 b = - 70 b

= - 70 b + 89 c

\frac{x}{x ^{2} - 9}

\frac{7}{5 - 2}

(9 m + 10) \cdot 2

1032 - 618

- 3 u - 2 (9 u - 2)

What is simplify-4(10b-10c)+9c-10(-4c+3b) ?
The solution to simplify-4(10b-10c)+9c-10(-4c+3b) is -70b+89c