What is 6(9a-3b)-8(2a+4b) ?

The solution to 6(9a-3b)-8(2a+4b) is 38a-50b

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simplify 6(9a-3b)-8(2a+4b)

simplify

6 (9 a - 3 b) - 8 (2 a + 4 b)

38 a - 50 b

Solution steps

6 (9 a - 3 b) - 8 (2 a + 4 b)

Expand

6 (9 a - 3 b) : 54 a - 18 b

= 54 a - 18 b - 8 (2 a + 4 b)

Expand

- 8 (2 a + 4 b) : - 16 a - 32 b

= 54 a - 18 b - 16 a - 32 b

Group like terms

= 54 a - 16 a - 18 b - 32 b

Add similar elements:

54 a - 16 a = 38 a

= 38 a - 18 b - 32 b

Add similar elements:

- 18 b - 32 b = - 50 b

= 38 a - 50 b

5 x^{2} + 2 x^{2}

\frac{1}{2} - \frac{5}{16}

\frac{1}{24}

8 x^{2} - x + 3 x - 4 x^{2}

\frac{3 + 2 i}{3 - 2 i}